diff --git a/01-introduction.html b/01-introduction.html
index 14078d13..802e9008 100644
--- a/01-introduction.html
+++ b/01-introduction.html
@@ -408,14 +408,13 @@ <h3 class="card-title">Objectives</h3>
 imposed by a mediated search interface. Library workers are good at
 searching information – constructing queries using SQL is a different
 and more direct way of finding information.</p>
-<div id="what-are-some-of-the-uses-for-sql-in-libraries" class="callout callout">
+<div id="callout1" class="callout">
 <div class="callout-square">
 <i class="callout-icon" data-feather="bell"></i>
 </div>
-<div id="what-are-some-of-the-uses-for-sql-in-libraries" class="callout-inner">
-<h3 class="callout-title">What are some of the uses for SQL in
-libraries?<a class="anchor" aria-label="anchor" href="#what-are-some-of-the-uses-for-sql-in-libraries"></a>
-</h3>
+<div class="section level3 callout-title callout-inner">
+<h3 class="callout-title" id="what-are-some-of-the-uses-for-sql-in-libraries">What are some of the uses for SQL in
+libraries?<a class="anchor" aria-label="anchor" href="#what-are-some-of-the-uses-for-sql-in-libraries"></a></h3>
 <div class="callout-content">
 <ul><li><p>You can use SQL to make macro or large scale changes to metadata
 records in library databases, for instance, updating journal names so
@@ -646,7 +645,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-sql/01-introduction.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-02",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/02-selecting-sorting-data.html b/02-selecting-sorting-data.html
index 52815889..d9bb39bc 100644
--- a/02-selecting-sorting-data.html
+++ b/02-selecting-sorting-data.html
@@ -376,8 +376,8 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> title</span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> title</span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
 </div>
 </section><section id="capitalization-and-good-style"><h2 class="section-heading">Capitalization and good style<a class="anchor" aria-label="anchor" href="#capitalization-and-good-style"></a>
 </h2>
@@ -394,31 +394,31 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, Authors, ISSNs, <span class="dt">Year</span></span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> Articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, Authors, ISSNs, <span class="dt">Year</span></span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> Articles;</span></code></pre>
 </div>
 <p>instead of</p>
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, authors, ISSNs, <span class="dt">Year</span></span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, authors, ISSNs, <span class="dt">Year</span></span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
 </div>
 <p>If we want more information, we can add a new column to the list of
 fields right after <code>SELECT</code>:</p>
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, Authors, ISSNs, <span class="dt">Year</span>, DOI</span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, Authors, ISSNs, <span class="dt">Year</span>, DOI</span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
 </div>
 <p>Or we can select all of the columns in a table using the wildcard
 <code>*</code>.</p>
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb5-2"><a href="#cb5-2" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
 </div>
 </section><section id="unique-values"><h2 class="section-heading">Unique values<a class="anchor" aria-label="anchor" href="#unique-values"></a>
 </h2>
@@ -430,8 +430,8 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb6">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="kw">DISTINCT</span> ISSNs</span>
-<span id="cb6-2"><a href="#cb6-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="kw">DISTINCT</span> ISSNs</span>
+<span id="cb6-2"><a href="#cb6-2" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
 </div>
 <p>Note, some database systems require a semicolon <code>;</code> after
 each SQL statement. If we select more than one column, then the distinct
@@ -439,8 +439,8 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb7">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="kw">DISTINCT</span> ISSNs, <span class="dt">Day</span>, <span class="dt">Month</span>, <span class="dt">Year</span></span>
-<span id="cb7-2"><a href="#cb7-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="kw">DISTINCT</span> ISSNs, <span class="dt">Day</span>, <span class="dt">Month</span>, <span class="dt">Year</span></span>
+<span id="cb7-2"><a href="#cb7-2" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
 </div>
 </section><section id="sorting"><h2 class="section-heading">Sorting<a class="anchor" aria-label="anchor" href="#sorting"></a>
 </h2>
@@ -451,9 +451,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb8">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb8-2"><a href="#cb8-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb8-3"><a href="#cb8-3" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> ISSNs <span class="kw">ASC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb8-2"><a href="#cb8-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb8-3"><a href="#cb8-3" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> ISSNs <span class="kw">ASC</span>;</span></code></pre>
 </div>
 <p>The keyword <code>ASC</code> tells us to order it in ascending order.
 Instead, we can use <code>DESC</code> to get the descending order
@@ -461,9 +461,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb9">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb9-1"><a href="#cb9-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb9-2"><a href="#cb9-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb9-3"><a href="#cb9-3" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> First_Author <span class="kw">DESC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb9-1"><a href="#cb9-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb9-2"><a href="#cb9-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb9-3"><a href="#cb9-3" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> First_Author <span class="kw">DESC</span>;</span></code></pre>
 </div>
 <p><code>ASC</code> is the default, so by omitting <code>ASC</code> or
 <code>DESC</code>, SQLite will sort ascending (ASC).</p>
@@ -473,9 +473,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb10">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb10-1"><a href="#cb10-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb10-2"><a href="#cb10-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb10-3"><a href="#cb10-3" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> ISSNs <span class="kw">DESC</span>, First_Author <span class="kw">ASC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb10-1"><a href="#cb10-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb10-2"><a href="#cb10-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb10-3"><a href="#cb10-3" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> ISSNs <span class="kw">DESC</span>, First_Author <span class="kw">ASC</span>;</span></code></pre>
 </div>
 <div id="challenge" class="callout challenge">
 <div class="callout-square">
@@ -502,9 +502,9 @@ <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 <div class="codewrapper sourceCode" id="cb11">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb11-1"><a href="#cb11-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, First_Author, ISSNs, Citation_Count</span>
-<span id="cb11-2"><a href="#cb11-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb11-3"><a href="#cb11-3" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> Citation_Count <span class="kw">DESC</span>, Title <span class="kw">ASC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb11-1"><a href="#cb11-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, First_Author, ISSNs, Citation_Count</span>
+<span id="cb11-2"><a href="#cb11-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb11-3"><a href="#cb11-3" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> Citation_Count <span class="kw">DESC</span>, Title <span class="kw">ASC</span>;</span></code></pre>
 </div>
 </div>
 </div>
@@ -584,7 +584,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-sql/02-selecting-sorting-data.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-09-19",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/03-filtering.html b/03-filtering.html
index 469408f1..631fe30d 100644
--- a/03-filtering.html
+++ b/03-filtering.html
@@ -362,9 +362,9 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> ISSNs<span class="op">=</span><span class="st">'2056-9890'</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="kw">WHERE</span> ISSNs<span class="op">=</span><span class="st">'2056-9890'</span>;</span></code></pre>
 </div>
 <p>We can add additional conditions by using <code>AND</code>,
 <code>OR</code>, and/or <code>NOT</code>. For example, suppose we want
@@ -372,9 +372,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> (ISSNs<span class="op">=</span><span class="st">'2056-9890'</span>) <span class="kw">AND</span> (<span class="dt">Month</span> <span class="op">&gt;</span> <span class="dv">10</span>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb2-3"><a href="#cb2-3" tabindex="-1"></a><span class="kw">WHERE</span> (ISSNs<span class="op">=</span><span class="st">'2056-9890'</span>) <span class="kw">AND</span> (<span class="dt">Month</span> <span class="op">&gt;</span> <span class="dv">10</span>);</span></code></pre>
 </div>
 <p>Parentheses are used merely for readability in this case but can be
 required by the SQL interpreter in order to disambiguate formulas.</p>
@@ -384,9 +384,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb3-3"><a href="#cb3-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> (issns <span class="op">=</span> <span class="st">'2076-0787'</span>) <span class="kw">OR</span> (issns <span class="op">=</span> <span class="st">'2077-1444'</span>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb3-3"><a href="#cb3-3" tabindex="-1"></a><span class="kw">WHERE</span> (issns <span class="op">=</span> <span class="st">'2076-0787'</span>) <span class="kw">OR</span> (issns <span class="op">=</span> <span class="st">'2077-1444'</span>);</span></code></pre>
 </div>
 <p>When you do not know the entire value you are searching for, you can
 use comparison keywords such as <code>LIKE</code>, <code>IN</code>,
@@ -399,9 +399,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> Subjects <span class="kw">LIKE</span> <span class="st">'%Crystal Structure%'</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="kw">WHERE</span> Subjects <span class="kw">LIKE</span> <span class="st">'%Crystal Structure%'</span>;</span></code></pre>
 </div>
 <p>You may have noticed the wildcard character <code>%</code>. It is
 used to match zero to many characters. So in the SQL statement above, it
@@ -438,9 +438,9 @@ <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, First_Author, Subjects, ISSNs, <span class="dt">Month</span>, <span class="dt">Year</span></span>
-<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb5-3"><a href="#cb5-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> (Subjects <span class="kw">LIKE</span> <span class="st">'%computer%'</span>) <span class="kw">AND</span> (Citation_Count <span class="op">&gt;</span> <span class="dv">8</span>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, First_Author, Subjects, ISSNs, <span class="dt">Month</span>, <span class="dt">Year</span></span>
+<span id="cb5-2"><a href="#cb5-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb5-3"><a href="#cb5-3" tabindex="-1"></a><span class="kw">WHERE</span> (Subjects <span class="kw">LIKE</span> <span class="st">'%computer%'</span>) <span class="kw">AND</span> (Citation_Count <span class="op">&gt;</span> <span class="dv">8</span>);</span></code></pre>
 </div>
 </div>
 </div>
@@ -523,7 +523,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-sql/03-filtering.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-02",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/04-ordering-commenting.html b/04-ordering-commenting.html
index f3de90db..6785f1b5 100644
--- a/04-ordering-commenting.html
+++ b/04-ordering-commenting.html
@@ -355,23 +355,22 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, Authors</span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> ISSNs <span class="op">=</span> <span class="st">'2067-2764|2247-6202'</span></span>
-<span id="cb1-4"><a href="#cb1-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> First_Author <span class="kw">ASC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, Authors</span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="kw">WHERE</span> ISSNs <span class="op">=</span> <span class="st">'2067-2764|2247-6202'</span></span>
+<span id="cb1-4"><a href="#cb1-4" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> First_Author <span class="kw">ASC</span>;</span></code></pre>
 </div>
 <p>What is interesting to note about this query is that we don’t
 necessarily have to display the <code>First_Author</code> column in our
 results in order to sort by it.</p>
 <p>We can do this because sorting occurs earlier in the computational
 pipeline than field selection.</p>
-<div id="the-computer-is-basically-doing-this" class="callout callout">
+<div id="callout1" class="callout">
 <div class="callout-square">
 <i class="callout-icon" data-feather="bell"></i>
 </div>
-<div id="the-computer-is-basically-doing-this" class="callout-inner">
-<h3 class="callout-title">The computer is basically doing this:<a class="anchor" aria-label="anchor" href="#the-computer-is-basically-doing-this"></a>
-</h3>
+<div class="section level3 callout-title callout-inner">
+<h3 class="callout-title" id="the-computer-is-basically-doing-this">The computer is basically doing this:<a class="anchor" aria-label="anchor" href="#the-computer-is-basically-doing-this"></a></h3>
 <div class="callout-content">
 <ol style="list-style-type: decimal"><li>Filtering rows according to WHERE</li>
 <li>Sorting results according to ORDER BY</li>
@@ -393,9 +392,9 @@ <h3 class="callout-title">The computer is basically doing this:<a class="anchor"
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> (ISSNs <span class="op">=</span> <span class="st">'2076-0787'</span>) <span class="kw">OR</span> (ISSNs <span class="op">=</span> <span class="st">'2077-1444'</span>) <span class="kw">OR</span> (ISSNs <span class="op">=</span> <span class="st">'2067-2764|2247-6202'</span>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb2-3"><a href="#cb2-3" tabindex="-1"></a><span class="kw">WHERE</span> (ISSNs <span class="op">=</span> <span class="st">'2076-0787'</span>) <span class="kw">OR</span> (ISSNs <span class="op">=</span> <span class="st">'2077-1444'</span>) <span class="kw">OR</span> (ISSNs <span class="op">=</span> <span class="st">'2067-2764|2247-6202'</span>);</span></code></pre>
 </div>
 <p>SQL offers the flexibility of iteratively adding new conditions but
 you may reach a point where the query is difficult to read and
@@ -404,9 +403,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb3-3"><a href="#cb3-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> (ISSNs <span class="kw">IN</span> (<span class="st">'2076-0787'</span>, <span class="st">'2077-1444'</span>, <span class="st">'2067-2764|2247-6202'</span>));</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb3-3"><a href="#cb3-3" tabindex="-1"></a><span class="kw">WHERE</span> (ISSNs <span class="kw">IN</span> (<span class="st">'2076-0787'</span>, <span class="st">'2077-1444'</span>, <span class="st">'2067-2764|2247-6202'</span>));</span></code></pre>
 </div>
 <p>We started with something simple, then added more clauses one by one,
 testing their effects as we went along. For complex queries, this is a
@@ -426,23 +425,23 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="co">/*In this section, even though JOINS (see link below this code block)</span></span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="co">are not introduced until Episode 6, we want to give an example how to</span></span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="co">join multiple tables because they represent a good example of using</span></span>
-<span id="cb4-4"><a href="#cb4-4" aria-hidden="true" tabindex="-1"></a><span class="co">comments in SQL to explain more complex queries.*/</span></span>
-<span id="cb4-5"><a href="#cb4-5" aria-hidden="true" tabindex="-1"></a></span>
-<span id="cb4-6"><a href="#cb4-6" aria-hidden="true" tabindex="-1"></a><span class="co">-- First we mention all the fields we want to display</span></span>
-<span id="cb4-7"><a href="#cb4-7" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher</span>
-<span id="cb4-8"><a href="#cb4-8" aria-hidden="true" tabindex="-1"></a><span class="co">-- from the first table</span></span>
-<span id="cb4-9"><a href="#cb4-9" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb4-10"><a href="#cb4-10" aria-hidden="true" tabindex="-1"></a><span class="co">-- and join it with the second table.</span></span>
-<span id="cb4-11"><a href="#cb4-11" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb4-12"><a href="#cb4-12" aria-hidden="true" tabindex="-1"></a><span class="co">-- The related attributes are:</span></span>
-<span id="cb4-13"><a href="#cb4-13" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb4-14"><a href="#cb4-14" aria-hidden="true" tabindex="-1"></a><span class="co">-- We want to join a third table,</span></span>
-<span id="cb4-15"><a href="#cb4-15" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
-<span id="cb4-16"><a href="#cb4-16" aria-hidden="true" tabindex="-1"></a><span class="co">-- the related attributes are:</span></span>
-<span id="cb4-17"><a href="#cb4-17" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="co">/*In this section, even though JOINS (see link below this code block)</span></span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="co">are not introduced until Episode 6, we want to give an example how to</span></span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="co">join multiple tables because they represent a good example of using</span></span>
+<span id="cb4-4"><a href="#cb4-4" tabindex="-1"></a><span class="co">comments in SQL to explain more complex queries.*/</span></span>
+<span id="cb4-5"><a href="#cb4-5" tabindex="-1"></a></span>
+<span id="cb4-6"><a href="#cb4-6" tabindex="-1"></a><span class="co">-- First we mention all the fields we want to display</span></span>
+<span id="cb4-7"><a href="#cb4-7" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher</span>
+<span id="cb4-8"><a href="#cb4-8" tabindex="-1"></a><span class="co">-- from the first table</span></span>
+<span id="cb4-9"><a href="#cb4-9" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb4-10"><a href="#cb4-10" tabindex="-1"></a><span class="co">-- and join it with the second table.</span></span>
+<span id="cb4-11"><a href="#cb4-11" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb4-12"><a href="#cb4-12" tabindex="-1"></a><span class="co">-- The related attributes are:</span></span>
+<span id="cb4-13"><a href="#cb4-13" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb4-14"><a href="#cb4-14" tabindex="-1"></a><span class="co">-- We want to join a third table,</span></span>
+<span id="cb4-15"><a href="#cb4-15" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
+<span id="cb4-16"><a href="#cb4-16" tabindex="-1"></a><span class="co">-- the related attributes are:</span></span>
+<span id="cb4-17"><a href="#cb4-17" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
 </div>
 <p>To see the introduction and explanation of JOINS, please click to <a href="06-joins-aliases.html">Episode 6</a>. {: .sql}</p>
 <div id="keypoints1" class="callout keypoints">
@@ -517,7 +516,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-sql/04-ordering-commenting.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-09-19",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/05-aggregating-calculating.html b/05-aggregating-calculating.html
index 2d7e1ecc..d04d1a78 100644
--- a/05-aggregating-calculating.html
+++ b/05-aggregating-calculating.html
@@ -368,9 +368,9 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">AVG</span>(Citation_Count)</span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">AVG</span>(Citation_Count)</span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs;</span></code></pre>
 </div>
 <p><code>GROUP BY</code> is used by SQL to arrange identical data into
 groups. In this case, we are arranging all the citation counts by ISSNs.
@@ -384,10 +384,10 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">AVG</span>(Citation_Count)</span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs </span>
-<span id="cb2-4"><a href="#cb2-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">AVG</span>(Citation_Count) <span class="kw">DESC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">AVG</span>(Citation_Count)</span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb2-3"><a href="#cb2-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs </span>
+<span id="cb2-4"><a href="#cb2-4" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">AVG</span>(Citation_Count) <span class="kw">DESC</span>;</span></code></pre>
 </div>
 <div id="challenge" class="callout challenge">
 <div class="callout-square">
@@ -410,15 +410,15 @@ <h3 class="callout-title">Challenge<a class="anchor" aria-label="anchor" href="#
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">COUNT</span>(Title)</span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb3-3"><a href="#cb3-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs</span>
-<span id="cb3-4"><a href="#cb3-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">COUNT</span>(Title) <span class="kw">DESC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">COUNT</span>(Title)</span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb3-3"><a href="#cb3-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs</span>
+<span id="cb3-4"><a href="#cb3-4" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">COUNT</span>(Title) <span class="kw">DESC</span>;</span></code></pre>
 </div>
 </div>
 </div>
@@ -434,10 +434,10 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs</span>
-<span id="cb4-4"><a href="#cb4-4" aria-hidden="true" tabindex="-1"></a><span class="kw">HAVING</span> <span class="fu">count</span>(Title) <span class="op">&gt;=</span> <span class="dv">10</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs</span>
+<span id="cb4-4"><a href="#cb4-4" tabindex="-1"></a><span class="kw">HAVING</span> <span class="fu">count</span>(Title) <span class="op">&gt;=</span> <span class="dv">10</span>;</span></code></pre>
 </div>
 <p>The <code>HAVING</code> keyword works exactly like the
 <code>WHERE</code> keyword, but uses aggregate functions instead of
@@ -469,15 +469,15 @@ <h3 class="callout-title">Challenge<a class="anchor" aria-label="anchor" href="#
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">AVG</span>(Citation_Count)</span>
-<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb5-3"><a href="#cb5-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs</span>
-<span id="cb5-4"><a href="#cb5-4" aria-hidden="true" tabindex="-1"></a><span class="kw">HAVING</span> <span class="fu">AVG</span>(Citation_Count)<span class="op">&gt;=</span><span class="dv">5</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">AVG</span>(Citation_Count)</span>
+<span id="cb5-2"><a href="#cb5-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb5-3"><a href="#cb5-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs</span>
+<span id="cb5-4"><a href="#cb5-4" tabindex="-1"></a><span class="kw">HAVING</span> <span class="fu">AVG</span>(Citation_Count)<span class="op">&gt;=</span><span class="dv">5</span>;</span></code></pre>
 </div>
 </div>
 </div>
@@ -493,9 +493,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb6">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, ISSNs, Author_Count <span class="op">-</span><span class="dv">1</span> <span class="kw">as</span> CoAuthor_Count</span>
-<span id="cb6-2"><a href="#cb6-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb6-3"><a href="#cb6-3" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> Author_Count <span class="op">-</span><span class="dv">1</span> <span class="kw">DESC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, ISSNs, Author_Count <span class="op">-</span><span class="dv">1</span> <span class="kw">as</span> CoAuthor_Count</span>
+<span id="cb6-2"><a href="#cb6-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb6-3"><a href="#cb6-3" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> Author_Count <span class="op">-</span><span class="dv">1</span> <span class="kw">DESC</span>;</span></code></pre>
 </div>
 <p>In section <a href="06-joins-aliases.html">6. Joins and aliases</a>
 we are going to learn more about the SQL keyword <code>AS</code> and how
@@ -581,7 +581,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-sql/05-aggregating-calculating.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-02",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/06-joins-aliases.html b/06-joins-aliases.html
index b07cb844..d06b0de3 100644
--- a/06-joins-aliases.html
+++ b/06-joins-aliases.html
@@ -363,10 +363,10 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb1-4"><a href="#cb1-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb1-4"><a href="#cb1-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs;</span></code></pre>
 </div>
 <p><code>ON</code> is similar to <code>WHERE</code>, it filters things
 out according to a test condition. We use the <code>table.colname</code>
@@ -381,10 +381,10 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb2-4"><a href="#cb2-4" aria-hidden="true" tabindex="-1"></a><span class="kw">USING</span> (ISSNs);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb2-3"><a href="#cb2-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb2-4"><a href="#cb2-4" tabindex="-1"></a><span class="kw">USING</span> (ISSNs);</span></code></pre>
 </div>
 <p>This figure shows the relations between the tables and helps to
 visualise joining or linking the tables in the database: <img src="fig/articles-erd-v02.png" alt="Articles Database" class="figure"> We will cover
@@ -399,10 +399,10 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> articles.ISSNs, journals.Journal_Title, articles.Title, articles.First_Author, articles.<span class="dt">Month</span>, articles.<span class="dt">Year</span></span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb3-3"><a href="#cb3-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb3-4"><a href="#cb3-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">SELECT</span> articles.ISSNs, journals.Journal_Title, articles.Title, articles.First_Author, articles.<span class="dt">Month</span>, articles.<span class="dt">Year</span></span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb3-3"><a href="#cb3-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb3-4"><a href="#cb3-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs;</span></code></pre>
 </div>
 <p>Joins can be combined with sorting, filtering, and aggregation. So,
 if we wanted the average number of authors for articles on each journal,
@@ -410,11 +410,11 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> articles.ISSNs, journals.Journal_Title, <span class="fu">ROUND</span>(<span class="fu">AVG</span>(articles.Author_Count), <span class="dv">2</span>)</span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb4-4"><a href="#cb4-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb4-5"><a href="#cb4-5" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> articles.ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">SELECT</span> articles.ISSNs, journals.Journal_Title, <span class="fu">ROUND</span>(<span class="fu">AVG</span>(articles.Author_Count), <span class="dv">2</span>)</span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb4-4"><a href="#cb4-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb4-5"><a href="#cb4-5" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> articles.ISSNs;</span></code></pre>
 </div>
 <p>The <code>ROUND</code> function allows us to round the
 <code>Author_Count</code> number returned by the <code>AVG</code>
@@ -439,16 +439,16 @@ <h3 class="callout-title">Challenge<a class="anchor" aria-label="anchor" href="#
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> journals.Journal_Title, <span class="fu">count</span>(<span class="op">*</span>), <span class="fu">avg</span>(articles.Citation_Count)</span>
-<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb5-3"><a href="#cb5-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb5-4"><a href="#cb5-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb5-5"><a href="#cb5-5" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> articles.ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a><span class="kw">SELECT</span> journals.Journal_Title, <span class="fu">count</span>(<span class="op">*</span>), <span class="fu">avg</span>(articles.Citation_Count)</span>
+<span id="cb5-2"><a href="#cb5-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb5-3"><a href="#cb5-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb5-4"><a href="#cb5-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb5-5"><a href="#cb5-5" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> articles.ISSNs;</span></code></pre>
 </div>
 </div>
 </div>
@@ -458,12 +458,12 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb6">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher</span>
-<span id="cb6-2"><a href="#cb6-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb6-3"><a href="#cb6-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb6-4"><a href="#cb6-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb6-5"><a href="#cb6-5" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
-<span id="cb6-6"><a href="#cb6-6" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher</span>
+<span id="cb6-2"><a href="#cb6-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb6-3"><a href="#cb6-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb6-4"><a href="#cb6-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb6-5"><a href="#cb6-5" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
+<span id="cb6-6"><a href="#cb6-6" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
 </div>
 <div id="challenge-1" class="callout challenge">
 <div class="callout-square">
@@ -484,19 +484,19 @@ <h3 class="callout-title">Challenge<a class="anchor" aria-label="anchor" href="#
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb7">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> journals.Journal_Title, publishers.Publisher, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
-<span id="cb7-2"><a href="#cb7-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb7-3"><a href="#cb7-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb7-4"><a href="#cb7-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb7-5"><a href="#cb7-5" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
-<span id="cb7-6"><a href="#cb7-6" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId</span>
-<span id="cb7-7"><a href="#cb7-7" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Journal_Title</span>
-<span id="cb7-8"><a href="#cb7-8" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">COUNT</span>(<span class="op">*</span>) <span class="kw">DESC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" tabindex="-1"></a><span class="kw">SELECT</span> journals.Journal_Title, publishers.Publisher, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
+<span id="cb7-2"><a href="#cb7-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb7-3"><a href="#cb7-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb7-4"><a href="#cb7-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb7-5"><a href="#cb7-5" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
+<span id="cb7-6"><a href="#cb7-6" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId</span>
+<span id="cb7-7"><a href="#cb7-7" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Journal_Title</span>
+<span id="cb7-8"><a href="#cb7-8" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">COUNT</span>(<span class="op">*</span>) <span class="kw">DESC</span>;</span></code></pre>
 </div>
 </div>
 </div>
@@ -514,26 +514,26 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb8">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ar.Title, ar.First_Author, jo.Journal_Title</span>
-<span id="cb8-2"><a href="#cb8-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles <span class="kw">AS</span> ar</span>
-<span id="cb8-3"><a href="#cb8-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals  <span class="kw">AS</span> jo</span>
-<span id="cb8-4"><a href="#cb8-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> ar.ISSNs <span class="op">=</span> jo.ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" tabindex="-1"></a><span class="kw">SELECT</span> ar.Title, ar.First_Author, jo.Journal_Title</span>
+<span id="cb8-2"><a href="#cb8-2" tabindex="-1"></a><span class="kw">FROM</span> articles <span class="kw">AS</span> ar</span>
+<span id="cb8-3"><a href="#cb8-3" tabindex="-1"></a><span class="kw">JOIN</span> journals  <span class="kw">AS</span> jo</span>
+<span id="cb8-4"><a href="#cb8-4" tabindex="-1"></a><span class="kw">ON</span> ar.ISSNs <span class="op">=</span> jo.ISSNs;</span></code></pre>
 </div>
 <p>And column names:</p>
 <div class="codewrapper sourceCode" id="cb9">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb9-1"><a href="#cb9-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ar.title <span class="kw">AS</span> title, ar.first_author <span class="kw">AS</span> author, jo.journal_title <span class="kw">AS</span> journal</span>
-<span id="cb9-2"><a href="#cb9-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles <span class="kw">AS</span> ar</span>
-<span id="cb9-3"><a href="#cb9-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals  <span class="kw">AS</span> jo</span>
-<span id="cb9-4"><a href="#cb9-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> ar.issns <span class="op">=</span> jo.issns;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb9-1"><a href="#cb9-1" tabindex="-1"></a><span class="kw">SELECT</span> ar.title <span class="kw">AS</span> title, ar.first_author <span class="kw">AS</span> author, jo.journal_title <span class="kw">AS</span> journal</span>
+<span id="cb9-2"><a href="#cb9-2" tabindex="-1"></a><span class="kw">FROM</span> articles <span class="kw">AS</span> ar</span>
+<span id="cb9-3"><a href="#cb9-3" tabindex="-1"></a><span class="kw">JOIN</span> journals  <span class="kw">AS</span> jo</span>
+<span id="cb9-4"><a href="#cb9-4" tabindex="-1"></a><span class="kw">ON</span> ar.issns <span class="op">=</span> jo.issns;</span></code></pre>
 </div>
 <p>The <code>AS</code> isn’t technically required, so you could do:</p>
 <div class="codewrapper sourceCode" id="cb10">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb10-1"><a href="#cb10-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> a.Title t</span>
-<span id="cb10-2"><a href="#cb10-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles a;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb10-1"><a href="#cb10-1" tabindex="-1"></a><span class="kw">SELECT</span> a.Title t</span>
+<span id="cb10-2"><a href="#cb10-2" tabindex="-1"></a><span class="kw">FROM</span> articles a;</span></code></pre>
 </div>
 <p>But using <code>AS</code> is much clearer so it is good style to
 include it.</p>
@@ -612,7 +612,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-sql/06-joins-aliases.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-09-19",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/07-saving-queries.html b/07-saving-queries.html
index 6067ab12..b4681c8f 100644
--- a/07-saving-queries.html
+++ b/07-saving-queries.html
@@ -362,25 +362,25 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">VIEW</span> journal_counts <span class="kw">AS</span></span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
-<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb1-4"><a href="#cb1-4" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">VIEW</span> journal_counts <span class="kw">AS</span></span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
+<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb1-4"><a href="#cb1-4" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs;</span></code></pre>
 </div>
 <p>Now, we will be able to access these results with a much shorter
 notation:</p>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> journal_counts;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> journal_counts;</span></code></pre>
 </div>
 <p>Assuming we do not need this view anymore, we can remove it from the
 database.</p>
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">DROP</span> <span class="kw">VIEW</span> journal_counts;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">DROP</span> <span class="kw">VIEW</span> journal_counts;</span></code></pre>
 </div>
 <p>In DBBrowser for SQLite, you can also create a view from any query by
 omitting the <code>CREATE VIEW viewname AS</code> statement and instead,
@@ -409,18 +409,18 @@ <h3 class="callout-title">Challenge<a class="anchor" aria-label="anchor" href="#
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">VIEW</span> journal_counts <span class="kw">AS</span></span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> journals.Journal_Title, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb4-4"><a href="#cb4-4" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb4-5"><a href="#cb4-5" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb4-6"><a href="#cb4-6" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Journal_Title</span>
-<span id="cb4-7"><a href="#cb4-7" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">COUNT</span>(<span class="op">*</span>) <span class="kw">DESC</span></span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">VIEW</span> journal_counts <span class="kw">AS</span></span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">SELECT</span> journals.Journal_Title, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb4-4"><a href="#cb4-4" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb4-5"><a href="#cb4-5" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb4-6"><a href="#cb4-6" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Journal_Title</span>
+<span id="cb4-7"><a href="#cb4-7" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">COUNT</span>(<span class="op">*</span>) <span class="kw">DESC</span></span></code></pre>
 </div>
 </div>
 </div>
@@ -498,7 +498,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-sql/07-saving-queries.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-02",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/08-database-design.html b/08-database-design.html
index e94830a4..066994a6 100644
--- a/08-database-design.html
+++ b/08-database-design.html
@@ -616,7 +616,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-sql/08-database-design.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-09-19",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/09-create.html b/09-create.html
index d782a399..64817903 100644
--- a/09-create.html
+++ b/09-create.html
@@ -354,13 +354,13 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">TABLE</span> journals(<span class="kw">id</span> text, ISSN<span class="op">-</span>L text, ISSNs text, PublisherId text, Journal_Title text);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">TABLE</span> journals(<span class="kw">id</span> text, ISSN<span class="op">-</span>L text, ISSNs text, PublisherId text, Journal_Title text);</span></code></pre>
 </div>
 <p>We can get rid of one of our tables using:</p>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">DROP</span> <span class="kw">TABLE</span> journals;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">DROP</span> <span class="kw">TABLE</span> journals;</span></code></pre>
 </div>
 <p>Be very careful when doing this: if you drop the wrong table, hope
 that the person maintaining the database has a backup, but it’s better
@@ -373,14 +373,14 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">TABLE</span> <span class="ot">"journals"</span> (</span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a>	<span class="ot">"id"</span>	<span class="dt">INTEGER</span> <span class="kw">NOT</span> <span class="kw">NULL</span> <span class="kw">PRIMARY</span> <span class="kw">KEY</span> AUTOINCREMENT,</span>
-<span id="cb3-3"><a href="#cb3-3" aria-hidden="true" tabindex="-1"></a>	<span class="ot">"ISSN-L"</span>	TEXT,</span>
-<span id="cb3-4"><a href="#cb3-4" aria-hidden="true" tabindex="-1"></a>	<span class="ot">"ISSNs"</span>	TEXT,</span>
-<span id="cb3-5"><a href="#cb3-5" aria-hidden="true" tabindex="-1"></a>	<span class="ot">"PublisherId"</span>	<span class="dt">INTEGER</span>,</span>
-<span id="cb3-6"><a href="#cb3-6" aria-hidden="true" tabindex="-1"></a>	<span class="ot">"Journal_Title"</span>	TEXT,</span>
-<span id="cb3-7"><a href="#cb3-7" aria-hidden="true" tabindex="-1"></a>	<span class="kw">CONSTRAINT</span> <span class="ot">"PublisherId"</span> <span class="kw">FOREIGN</span> <span class="kw">KEY</span>(<span class="ot">"PublisherId"</span>) <span class="kw">REFERENCES</span> <span class="ot">"publishers"</span>(<span class="ot">"id"</span>) </span>
-<span id="cb3-8"><a href="#cb3-8" aria-hidden="true" tabindex="-1"></a>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">TABLE</span> <span class="ot">"journals"</span> (</span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a>	<span class="ot">"id"</span>	<span class="dt">INTEGER</span> <span class="kw">NOT</span> <span class="kw">NULL</span> <span class="kw">PRIMARY</span> <span class="kw">KEY</span> AUTOINCREMENT,</span>
+<span id="cb3-3"><a href="#cb3-3" tabindex="-1"></a>	<span class="ot">"ISSN-L"</span>	TEXT,</span>
+<span id="cb3-4"><a href="#cb3-4" tabindex="-1"></a>	<span class="ot">"ISSNs"</span>	TEXT,</span>
+<span id="cb3-5"><a href="#cb3-5" tabindex="-1"></a>	<span class="ot">"PublisherId"</span>	<span class="dt">INTEGER</span>,</span>
+<span id="cb3-6"><a href="#cb3-6" tabindex="-1"></a>	<span class="ot">"Journal_Title"</span>	TEXT,</span>
+<span id="cb3-7"><a href="#cb3-7" tabindex="-1"></a>	<span class="kw">CONSTRAINT</span> <span class="ot">"PublisherId"</span> <span class="kw">FOREIGN</span> <span class="kw">KEY</span>(<span class="ot">"PublisherId"</span>) <span class="kw">REFERENCES</span> <span class="ot">"publishers"</span>(<span class="ot">"id"</span>) </span>
+<span id="cb3-8"><a href="#cb3-8" tabindex="-1"></a>);</span></code></pre>
 </div>
 <p>Once again, exactly what constraints are available and what they’re
 called depends on which database manager we are using.</p>
@@ -392,16 +392,16 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">1</span>,<span class="st">'2077-0472'</span>,<span class="st">'2077-0472'</span>,<span class="dv">2</span>,<span class="st">'Agriculture'</span>);</span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">2</span>,<span class="st">'2073-4395'</span>,<span class="st">'2073-4395'</span>,<span class="dv">2</span>,<span class="st">'Agronomy'</span>);</span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">3</span>,<span class="st">'2076-2616'</span>,<span class="st">'2076-2616'</span>,<span class="dv">2</span>,<span class="st">'Animals'</span>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">1</span>,<span class="st">'2077-0472'</span>,<span class="st">'2077-0472'</span>,<span class="dv">2</span>,<span class="st">'Agriculture'</span>);</span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">2</span>,<span class="st">'2073-4395'</span>,<span class="st">'2073-4395'</span>,<span class="dv">2</span>,<span class="st">'Agronomy'</span>);</span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">3</span>,<span class="st">'2076-2616'</span>,<span class="st">'2076-2616'</span>,<span class="dv">2</span>,<span class="st">'Animals'</span>);</span></code></pre>
 </div>
 <p>We can also insert values into one table directly from another:</p>
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">TABLE</span> <span class="ot">"myjournals"</span>(Journal_Title text, ISSNs text);</span>
-<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"myjournals"</span> <span class="kw">SELECT</span> Journal_Title, ISSNs <span class="kw">FROM</span> journals;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">TABLE</span> <span class="ot">"myjournals"</span>(Journal_Title text, ISSNs text);</span>
+<span id="cb5-2"><a href="#cb5-2" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"myjournals"</span> <span class="kw">SELECT</span> Journal_Title, ISSNs <span class="kw">FROM</span> journals;</span></code></pre>
 </div>
 <p>Modifying existing records is done using the <code>UPDATE</code>
 statement. To do this we tell the database which table we want to
@@ -413,7 +413,7 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb6">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" aria-hidden="true" tabindex="-1"></a><span class="kw">UPDATE</span> journals <span class="kw">SET</span> ISSN<span class="op">-</span>L <span class="op">=</span> <span class="dv">2076</span><span class="op">-</span><span class="dv">2615</span>, ISSNs <span class="op">=</span> <span class="dv">2076</span><span class="op">-</span><span class="dv">2615</span> <span class="kw">WHERE</span> <span class="kw">id</span> <span class="op">=</span> <span class="dv">3</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" tabindex="-1"></a><span class="kw">UPDATE</span> journals <span class="kw">SET</span> ISSN<span class="op">-</span>L <span class="op">=</span> <span class="dv">2076</span><span class="op">-</span><span class="dv">2615</span>, ISSNs <span class="op">=</span> <span class="dv">2076</span><span class="op">-</span><span class="dv">2615</span> <span class="kw">WHERE</span> <span class="kw">id</span> <span class="op">=</span> <span class="dv">3</span>;</span></code></pre>
 </div>
 <p>Be careful to not forget the <code>WHERE</code> clause or the update
 statement will modify <em>all</em> of the records in the database.</p>
@@ -426,7 +426,7 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb7">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" aria-hidden="true" tabindex="-1"></a><span class="kw">DELETE</span> <span class="kw">FROM</span> journals <span class="kw">WHERE</span> Journal_Title <span class="op">=</span> <span class="st">'Animals'</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" tabindex="-1"></a><span class="kw">DELETE</span> <span class="kw">FROM</span> journals <span class="kw">WHERE</span> Journal_Title <span class="op">=</span> <span class="st">'Animals'</span>;</span></code></pre>
 </div>
 <p>But now the article
 <code>Early Onset of Laying and Bumblefoot Favor Keel Bone Fractures</code>
@@ -454,13 +454,13 @@ <h3 class="callout-title">Exercise<a class="anchor" aria-label="anchor" href="#e
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb8">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" aria-hidden="true" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"publishers"</span> <span class="kw">VALUES</span> (<span class="dv">7</span>,<span class="st">'Institute of Physics (IOP)'</span>);</span>
-<span id="cb8-2"><a href="#cb8-2" aria-hidden="true" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">52</span>,<span class="st">'1367-2630'</span>,<span class="st">'1367-2630'</span>,<span class="dv">7</span>,<span class="st">'New Journal of Physics'</span>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"publishers"</span> <span class="kw">VALUES</span> (<span class="dv">7</span>,<span class="st">'Institute of Physics (IOP)'</span>);</span>
+<span id="cb8-2"><a href="#cb8-2" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">52</span>,<span class="st">'1367-2630'</span>,<span class="st">'1367-2630'</span>,<span class="dv">7</span>,<span class="st">'New Journal of Physics'</span>);</span></code></pre>
 </div>
 </div>
 </div>
@@ -490,7 +490,7 @@ <h3 class="callout-title">Backing Up with SQL<a class="anchor" aria-label="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <div class="section level4">
 <h4 id="advantages">Advantages<a class="anchor" aria-label="anchor" href="#advantages"></a></h4>
@@ -594,7 +594,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-sql/09-create.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-09-19",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/10-other-tools.html b/10-other-tools.html
index bdcebdbf..ba7f8284 100644
--- a/10-other-tools.html
+++ b/10-other-tools.html
@@ -436,7 +436,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-sql/10-other-tools.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-02",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/11-extra-challenges.html b/11-extra-challenges.html
index 2ba8c3d1..e5a6db52 100644
--- a/11-extra-challenges.html
+++ b/11-extra-challenges.html
@@ -378,15 +378,15 @@ <h3 class="callout-title">Challenge 1<a class="anchor" aria-label="anchor" href=
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Solution 1</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> First_Author, <span class="fu">COUNT</span>( <span class="op">*</span> ) <span class="kw">AS</span> n_articles</span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> First_Author</span>
-<span id="cb1-4"><a href="#cb1-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> n_articles <span class="kw">DESC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> First_Author, <span class="fu">COUNT</span>( <span class="op">*</span> ) <span class="kw">AS</span> n_articles</span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> First_Author</span>
+<span id="cb1-4"><a href="#cb1-4" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> n_articles <span class="kw">DESC</span>;</span></code></pre>
 </div>
 </div>
 </div>
@@ -410,14 +410,14 @@ <h3 class="callout-title">Challenge 2<a class="anchor" aria-label="anchor" href=
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Solution 2</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Author_Count, <span class="fu">COUNT</span>( <span class="op">*</span> )</span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Author_Count;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> Author_Count, <span class="fu">COUNT</span>( <span class="op">*</span> )</span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb2-3"><a href="#cb2-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Author_Count;</span></code></pre>
 </div>
 </div>
 </div>
@@ -441,17 +441,17 @@ <h3 class="callout-title">Challenge 3<a class="anchor" aria-label="anchor" href=
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Solution 3</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Language, <span class="fu">COUNT</span>( <span class="op">*</span> )</span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb3-3"><a href="#cb3-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> languages</span>
-<span id="cb3-4"><a href="#cb3-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.LanguageId<span class="op">=</span>languages.<span class="kw">id</span></span>
-<span id="cb3-5"><a href="#cb3-5" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> Language <span class="op">!=</span> <span class="st">''</span></span>
-<span id="cb3-6"><a href="#cb3-6" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Language;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">SELECT</span> Language, <span class="fu">COUNT</span>( <span class="op">*</span> )</span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb3-3"><a href="#cb3-3" tabindex="-1"></a><span class="kw">JOIN</span> languages</span>
+<span id="cb3-4"><a href="#cb3-4" tabindex="-1"></a><span class="kw">ON</span> articles.LanguageId<span class="op">=</span>languages.<span class="kw">id</span></span>
+<span id="cb3-5"><a href="#cb3-5" tabindex="-1"></a><span class="kw">WHERE</span> Language <span class="op">!=</span> <span class="st">''</span></span>
+<span id="cb3-6"><a href="#cb3-6" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Language;</span></code></pre>
 </div>
 </div>
 </div>
@@ -476,17 +476,17 @@ <h3 class="callout-title">Challenge 4<a class="anchor" aria-label="anchor" href=
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Solution 4</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Licence, <span class="fu">AVG</span>( Citation_Count ), <span class="fu">COUNT</span>( <span class="op">*</span> )</span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> licences</span>
-<span id="cb4-4"><a href="#cb4-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.LicenceId<span class="op">=</span>licences.<span class="kw">id</span></span>
-<span id="cb4-5"><a href="#cb4-5" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> Licence <span class="op">!=</span> <span class="st">''</span></span>
-<span id="cb4-6"><a href="#cb4-6" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Licence;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">SELECT</span> Licence, <span class="fu">AVG</span>( Citation_Count ), <span class="fu">COUNT</span>( <span class="op">*</span> )</span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="kw">JOIN</span> licences</span>
+<span id="cb4-4"><a href="#cb4-4" tabindex="-1"></a><span class="kw">ON</span> articles.LicenceId<span class="op">=</span>licences.<span class="kw">id</span></span>
+<span id="cb4-5"><a href="#cb4-5" tabindex="-1"></a><span class="kw">WHERE</span> Licence <span class="op">!=</span> <span class="st">''</span></span>
+<span id="cb4-6"><a href="#cb4-6" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Licence;</span></code></pre>
 </div>
 </div>
 </div>
@@ -511,17 +511,17 @@ <h3 class="callout-title">Challenge 5<a class="anchor" aria-label="anchor" href=
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Solution 5</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, First_Author, Author_Count, Citation_Count, <span class="dt">Month</span>, <span class="dt">Year</span>, Journal_Title, Publisher</span>
-<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb5-3"><a href="#cb5-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb5-4"><a href="#cb5-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.issns<span class="op">=</span>journals.ISSNs</span>
-<span id="cb5-5"><a href="#cb5-5" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
-<span id="cb5-6"><a href="#cb5-6" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span><span class="op">=</span>journals.PublisherId;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, First_Author, Author_Count, Citation_Count, <span class="dt">Month</span>, <span class="dt">Year</span>, Journal_Title, Publisher</span>
+<span id="cb5-2"><a href="#cb5-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb5-3"><a href="#cb5-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb5-4"><a href="#cb5-4" tabindex="-1"></a><span class="kw">ON</span> articles.issns<span class="op">=</span>journals.ISSNs</span>
+<span id="cb5-5"><a href="#cb5-5" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
+<span id="cb5-6"><a href="#cb5-6" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span><span class="op">=</span>journals.PublisherId;</span></code></pre>
 </div>
 </div>
 </div>
@@ -599,7 +599,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-sql/11-extra-challenges.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-02",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/404.html b/404.html
index b50281ee..a3230df8 100644
--- a/404.html
+++ b/404.html
@@ -374,8 +374,8 @@ <h1>Page not found</h1>
   "url": "https://librarycarpentry.github.io/lc-sql/404.html",
   "identifier": "https://librarycarpentry.github.io/lc-sql/404.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-02-27",
-  "datePublished": "2024-02-27"
+  "dateModified": "2024-03-05",
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/Bonus_GoodStyle.html b/Bonus_GoodStyle.html
index 54b4517c..86a11f03 100644
--- a/Bonus_GoodStyle.html
+++ b/Bonus_GoodStyle.html
@@ -384,18 +384,18 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher <span class="kw">FROM</span> articles <span class="kw">JOIN</span> journals <span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs <span class="kw">JOIN</span> publishers <span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher <span class="kw">FROM</span> articles <span class="kw">JOIN</span> journals <span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs <span class="kw">JOIN</span> publishers <span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
 </div>
 <p>Into something that looks like this:</p>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher</span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb2-4"><a href="#cb2-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb2-5"><a href="#cb2-5" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
-<span id="cb2-6"><a href="#cb2-6" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher</span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb2-3"><a href="#cb2-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb2-4"><a href="#cb2-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb2-5"><a href="#cb2-5" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
+<span id="cb2-6"><a href="#cb2-6" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
 </div>
 <p>In some programs (such as MySQL), there will be tools that can
 automatically “beautify” your code for better readability.</p>
@@ -471,7 +471,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-sql/Bonus_GoodStyle.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-02",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index 1d7b785b..208fc463 100644
--- a/CODE_OF_CONDUCT.html
+++ b/CODE_OF_CONDUCT.html
@@ -382,7 +382,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://librarycarpentry.github.io/lc-sql/CODE_OF_CONDUCT.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-02",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/LICENSE.html b/LICENSE.html
index 544e1396..e17ec6cf 100644
--- a/LICENSE.html
+++ b/LICENSE.html
@@ -433,7 +433,7 @@ <h1>Licenses</h1>
   "identifier": "https://librarycarpentry.github.io/lc-sql/LICENSE.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-02",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/aio.html b/aio.html
index 305a2266..68c52aeb 100644
--- a/aio.html
+++ b/aio.html
@@ -461,12 +461,12 @@ <h3 class="card-title">Objectives</h3>
 imposed by a mediated search interface. Library workers are good at
 searching information – constructing queries using SQL is a different
 and more direct way of finding information.</p>
-<div id="what-are-some-of-the-uses-for-sql-in-libraries" class="callout callout">
+<div id="callout1" class="callout">
 <div class="callout-square">
 <i class="callout-icon" data-feather="bell"></i>
 </div>
-<div id="what-are-some-of-the-uses-for-sql-in-libraries" class="callout-inner">
-<h3 class="callout-title">What are some of the uses for SQL in
+<div class="section level3 callout-title callout-inner">
+<h3 class="callout-title" id="what-are-some-of-the-uses-for-sql-in-libraries">What are some of the uses for SQL in
 libraries?<a class="anchor" aria-label="anchor" href="#what-are-some-of-the-uses-for-sql-in-libraries"></a>
 </h3>
 <div class="callout-content">
@@ -747,8 +747,8 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> title</span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> title</span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
 </div>
 </section><section id="capitalization-and-good-style"><h2 class="section-heading">Capitalization and good style<a class="anchor" aria-label="anchor" href="#capitalization-and-good-style"></a>
 </h2>
@@ -766,31 +766,31 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, Authors, ISSNs, <span class="dt">Year</span></span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> Articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, Authors, ISSNs, <span class="dt">Year</span></span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> Articles;</span></code></pre>
 </div>
 <p>instead of</p>
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, authors, ISSNs, <span class="dt">Year</span></span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, authors, ISSNs, <span class="dt">Year</span></span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
 </div>
 <p>If we want more information, we can add a new column to the list of
 fields right after <code>SELECT</code>:</p>
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, Authors, ISSNs, <span class="dt">Year</span>, DOI</span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, Authors, ISSNs, <span class="dt">Year</span>, DOI</span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
 </div>
 <p>Or we can select all of the columns in a table using the wildcard
 <code>*</code>.</p>
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb5-2"><a href="#cb5-2" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
 </div>
 </section><section id="unique-values"><h2 class="section-heading">Unique values<a class="anchor" aria-label="anchor" href="#unique-values"></a>
 </h2>
@@ -803,8 +803,8 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb6">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="kw">DISTINCT</span> ISSNs</span>
-<span id="cb6-2"><a href="#cb6-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="kw">DISTINCT</span> ISSNs</span>
+<span id="cb6-2"><a href="#cb6-2" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
 </div>
 <p>Note, some database systems require a semicolon <code>;</code> after
 each SQL statement. If we select more than one column, then the distinct
@@ -812,8 +812,8 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb7">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="kw">DISTINCT</span> ISSNs, <span class="dt">Day</span>, <span class="dt">Month</span>, <span class="dt">Year</span></span>
-<span id="cb7-2"><a href="#cb7-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="kw">DISTINCT</span> ISSNs, <span class="dt">Day</span>, <span class="dt">Month</span>, <span class="dt">Year</span></span>
+<span id="cb7-2"><a href="#cb7-2" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
 </div>
 </section><section id="sorting"><h2 class="section-heading">Sorting<a class="anchor" aria-label="anchor" href="#sorting"></a>
 </h2>
@@ -825,9 +825,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb8">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb8-2"><a href="#cb8-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb8-3"><a href="#cb8-3" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> ISSNs <span class="kw">ASC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb8-2"><a href="#cb8-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb8-3"><a href="#cb8-3" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> ISSNs <span class="kw">ASC</span>;</span></code></pre>
 </div>
 <p>The keyword <code>ASC</code> tells us to order it in ascending order.
 Instead, we can use <code>DESC</code> to get the descending order
@@ -835,9 +835,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb9">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb9-1"><a href="#cb9-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb9-2"><a href="#cb9-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb9-3"><a href="#cb9-3" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> First_Author <span class="kw">DESC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb9-1"><a href="#cb9-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb9-2"><a href="#cb9-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb9-3"><a href="#cb9-3" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> First_Author <span class="kw">DESC</span>;</span></code></pre>
 </div>
 <p><code>ASC</code> is the default, so by omitting <code>ASC</code> or
 <code>DESC</code>, SQLite will sort ascending (ASC).</p>
@@ -847,9 +847,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb10">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb10-1"><a href="#cb10-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb10-2"><a href="#cb10-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb10-3"><a href="#cb10-3" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> ISSNs <span class="kw">DESC</span>, First_Author <span class="kw">ASC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb10-1"><a href="#cb10-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb10-2"><a href="#cb10-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb10-3"><a href="#cb10-3" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> ISSNs <span class="kw">DESC</span>, First_Author <span class="kw">ASC</span>;</span></code></pre>
 </div>
 <div id="challenge" class="callout challenge">
 <div class="callout-square">
@@ -876,9 +876,9 @@ <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 <div class="codewrapper sourceCode" id="cb11">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb11-1"><a href="#cb11-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, First_Author, ISSNs, Citation_Count</span>
-<span id="cb11-2"><a href="#cb11-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb11-3"><a href="#cb11-3" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> Citation_Count <span class="kw">DESC</span>, Title <span class="kw">ASC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb11-1"><a href="#cb11-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, First_Author, ISSNs, Citation_Count</span>
+<span id="cb11-2"><a href="#cb11-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb11-3"><a href="#cb11-3" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> Citation_Count <span class="kw">DESC</span>, Title <span class="kw">ASC</span>;</span></code></pre>
 </div>
 </div>
 </div>
@@ -951,9 +951,9 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> ISSNs<span class="op">=</span><span class="st">'2056-9890'</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="kw">WHERE</span> ISSNs<span class="op">=</span><span class="st">'2056-9890'</span>;</span></code></pre>
 </div>
 <p>We can add additional conditions by using <code>AND</code>,
 <code>OR</code>, and/or <code>NOT</code>. For example, suppose we want
@@ -961,9 +961,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> (ISSNs<span class="op">=</span><span class="st">'2056-9890'</span>) <span class="kw">AND</span> (<span class="dt">Month</span> <span class="op">&gt;</span> <span class="dv">10</span>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb2-3"><a href="#cb2-3" tabindex="-1"></a><span class="kw">WHERE</span> (ISSNs<span class="op">=</span><span class="st">'2056-9890'</span>) <span class="kw">AND</span> (<span class="dt">Month</span> <span class="op">&gt;</span> <span class="dv">10</span>);</span></code></pre>
 </div>
 <p>Parentheses are used merely for readability in this case but can be
 required by the SQL interpreter in order to disambiguate formulas.</p>
@@ -973,9 +973,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb3-3"><a href="#cb3-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> (issns <span class="op">=</span> <span class="st">'2076-0787'</span>) <span class="kw">OR</span> (issns <span class="op">=</span> <span class="st">'2077-1444'</span>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb3-3"><a href="#cb3-3" tabindex="-1"></a><span class="kw">WHERE</span> (issns <span class="op">=</span> <span class="st">'2076-0787'</span>) <span class="kw">OR</span> (issns <span class="op">=</span> <span class="st">'2077-1444'</span>);</span></code></pre>
 </div>
 <p>When you do not know the entire value you are searching for, you can
 use comparison keywords such as <code>LIKE</code>, <code>IN</code>,
@@ -988,9 +988,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> Subjects <span class="kw">LIKE</span> <span class="st">'%Crystal Structure%'</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="kw">WHERE</span> Subjects <span class="kw">LIKE</span> <span class="st">'%Crystal Structure%'</span>;</span></code></pre>
 </div>
 <p>You may have noticed the wildcard character <code>%</code>. It is
 used to match zero to many characters. So in the SQL statement above, it
@@ -1027,9 +1027,9 @@ <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, First_Author, Subjects, ISSNs, <span class="dt">Month</span>, <span class="dt">Year</span></span>
-<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb5-3"><a href="#cb5-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> (Subjects <span class="kw">LIKE</span> <span class="st">'%computer%'</span>) <span class="kw">AND</span> (Citation_Count <span class="op">&gt;</span> <span class="dv">8</span>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, First_Author, Subjects, ISSNs, <span class="dt">Month</span>, <span class="dt">Year</span></span>
+<span id="cb5-2"><a href="#cb5-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb5-3"><a href="#cb5-3" tabindex="-1"></a><span class="kw">WHERE</span> (Subjects <span class="kw">LIKE</span> <span class="st">'%computer%'</span>) <span class="kw">AND</span> (Citation_Count <span class="op">&gt;</span> <span class="dv">8</span>);</span></code></pre>
 </div>
 </div>
 </div>
@@ -1097,22 +1097,22 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, Authors</span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> ISSNs <span class="op">=</span> <span class="st">'2067-2764|2247-6202'</span></span>
-<span id="cb1-4"><a href="#cb1-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> First_Author <span class="kw">ASC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, Authors</span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="kw">WHERE</span> ISSNs <span class="op">=</span> <span class="st">'2067-2764|2247-6202'</span></span>
+<span id="cb1-4"><a href="#cb1-4" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> First_Author <span class="kw">ASC</span>;</span></code></pre>
 </div>
 <p>What is interesting to note about this query is that we don’t
 necessarily have to display the <code>First_Author</code> column in our
 results in order to sort by it.</p>
 <p>We can do this because sorting occurs earlier in the computational
 pipeline than field selection.</p>
-<div id="the-computer-is-basically-doing-this" class="callout callout">
+<div id="callout1" class="callout">
 <div class="callout-square">
 <i class="callout-icon" data-feather="bell"></i>
 </div>
-<div id="the-computer-is-basically-doing-this" class="callout-inner">
-<h3 class="callout-title">The computer is basically doing this:<a class="anchor" aria-label="anchor" href="#the-computer-is-basically-doing-this"></a>
+<div class="section level3 callout-title callout-inner">
+<h3 class="callout-title" id="the-computer-is-basically-doing-this">The computer is basically doing this:<a class="anchor" aria-label="anchor" href="#the-computer-is-basically-doing-this"></a>
 </h3>
 <div class="callout-content">
 <ol style="list-style-type: decimal">
@@ -1140,9 +1140,9 @@ <h3 class="callout-title">The computer is basically doing this:<a class="anchor"
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> (ISSNs <span class="op">=</span> <span class="st">'2076-0787'</span>) <span class="kw">OR</span> (ISSNs <span class="op">=</span> <span class="st">'2077-1444'</span>) <span class="kw">OR</span> (ISSNs <span class="op">=</span> <span class="st">'2067-2764|2247-6202'</span>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb2-3"><a href="#cb2-3" tabindex="-1"></a><span class="kw">WHERE</span> (ISSNs <span class="op">=</span> <span class="st">'2076-0787'</span>) <span class="kw">OR</span> (ISSNs <span class="op">=</span> <span class="st">'2077-1444'</span>) <span class="kw">OR</span> (ISSNs <span class="op">=</span> <span class="st">'2067-2764|2247-6202'</span>);</span></code></pre>
 </div>
 <p>SQL offers the flexibility of iteratively adding new conditions but
 you may reach a point where the query is difficult to read and
@@ -1151,9 +1151,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb3-3"><a href="#cb3-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> (ISSNs <span class="kw">IN</span> (<span class="st">'2076-0787'</span>, <span class="st">'2077-1444'</span>, <span class="st">'2067-2764|2247-6202'</span>));</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb3-3"><a href="#cb3-3" tabindex="-1"></a><span class="kw">WHERE</span> (ISSNs <span class="kw">IN</span> (<span class="st">'2076-0787'</span>, <span class="st">'2077-1444'</span>, <span class="st">'2067-2764|2247-6202'</span>));</span></code></pre>
 </div>
 <p>We started with something simple, then added more clauses one by one,
 testing their effects as we went along. For complex queries, this is a
@@ -1173,23 +1173,23 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="co">/*In this section, even though JOINS (see link below this code block)</span></span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="co">are not introduced until Episode 6, we want to give an example how to</span></span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="co">join multiple tables because they represent a good example of using</span></span>
-<span id="cb4-4"><a href="#cb4-4" aria-hidden="true" tabindex="-1"></a><span class="co">comments in SQL to explain more complex queries.*/</span></span>
-<span id="cb4-5"><a href="#cb4-5" aria-hidden="true" tabindex="-1"></a></span>
-<span id="cb4-6"><a href="#cb4-6" aria-hidden="true" tabindex="-1"></a><span class="co">-- First we mention all the fields we want to display</span></span>
-<span id="cb4-7"><a href="#cb4-7" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher</span>
-<span id="cb4-8"><a href="#cb4-8" aria-hidden="true" tabindex="-1"></a><span class="co">-- from the first table</span></span>
-<span id="cb4-9"><a href="#cb4-9" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb4-10"><a href="#cb4-10" aria-hidden="true" tabindex="-1"></a><span class="co">-- and join it with the second table.</span></span>
-<span id="cb4-11"><a href="#cb4-11" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb4-12"><a href="#cb4-12" aria-hidden="true" tabindex="-1"></a><span class="co">-- The related attributes are:</span></span>
-<span id="cb4-13"><a href="#cb4-13" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb4-14"><a href="#cb4-14" aria-hidden="true" tabindex="-1"></a><span class="co">-- We want to join a third table,</span></span>
-<span id="cb4-15"><a href="#cb4-15" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
-<span id="cb4-16"><a href="#cb4-16" aria-hidden="true" tabindex="-1"></a><span class="co">-- the related attributes are:</span></span>
-<span id="cb4-17"><a href="#cb4-17" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="co">/*In this section, even though JOINS (see link below this code block)</span></span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="co">are not introduced until Episode 6, we want to give an example how to</span></span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="co">join multiple tables because they represent a good example of using</span></span>
+<span id="cb4-4"><a href="#cb4-4" tabindex="-1"></a><span class="co">comments in SQL to explain more complex queries.*/</span></span>
+<span id="cb4-5"><a href="#cb4-5" tabindex="-1"></a></span>
+<span id="cb4-6"><a href="#cb4-6" tabindex="-1"></a><span class="co">-- First we mention all the fields we want to display</span></span>
+<span id="cb4-7"><a href="#cb4-7" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher</span>
+<span id="cb4-8"><a href="#cb4-8" tabindex="-1"></a><span class="co">-- from the first table</span></span>
+<span id="cb4-9"><a href="#cb4-9" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb4-10"><a href="#cb4-10" tabindex="-1"></a><span class="co">-- and join it with the second table.</span></span>
+<span id="cb4-11"><a href="#cb4-11" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb4-12"><a href="#cb4-12" tabindex="-1"></a><span class="co">-- The related attributes are:</span></span>
+<span id="cb4-13"><a href="#cb4-13" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb4-14"><a href="#cb4-14" tabindex="-1"></a><span class="co">-- We want to join a third table,</span></span>
+<span id="cb4-15"><a href="#cb4-15" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
+<span id="cb4-16"><a href="#cb4-16" tabindex="-1"></a><span class="co">-- the related attributes are:</span></span>
+<span id="cb4-17"><a href="#cb4-17" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
 </div>
 <p>To see the introduction and explanation of JOINS, please click to <a href="06-joins-aliases.html">Episode 6</a>. {: .sql}</p>
 <div id="keypoints1" class="callout keypoints">
@@ -1261,9 +1261,9 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">AVG</span>(Citation_Count)</span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">AVG</span>(Citation_Count)</span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs;</span></code></pre>
 </div>
 <p><code>GROUP BY</code> is used by SQL to arrange identical data into
 groups. In this case, we are arranging all the citation counts by ISSNs.
@@ -1277,10 +1277,10 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">AVG</span>(Citation_Count)</span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs </span>
-<span id="cb2-4"><a href="#cb2-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">AVG</span>(Citation_Count) <span class="kw">DESC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">AVG</span>(Citation_Count)</span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb2-3"><a href="#cb2-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs </span>
+<span id="cb2-4"><a href="#cb2-4" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">AVG</span>(Citation_Count) <span class="kw">DESC</span>;</span></code></pre>
 </div>
 <div id="challenge" class="callout challenge">
 <div class="callout-square">
@@ -1303,15 +1303,15 @@ <h3 class="callout-title">Challenge<a class="anchor" aria-label="anchor" href="#
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">COUNT</span>(Title)</span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb3-3"><a href="#cb3-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs</span>
-<span id="cb3-4"><a href="#cb3-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">COUNT</span>(Title) <span class="kw">DESC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">COUNT</span>(Title)</span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb3-3"><a href="#cb3-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs</span>
+<span id="cb3-4"><a href="#cb3-4" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">COUNT</span>(Title) <span class="kw">DESC</span>;</span></code></pre>
 </div>
 </div>
 </div>
@@ -1328,10 +1328,10 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs</span>
-<span id="cb4-4"><a href="#cb4-4" aria-hidden="true" tabindex="-1"></a><span class="kw">HAVING</span> <span class="fu">count</span>(Title) <span class="op">&gt;=</span> <span class="dv">10</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs</span>
+<span id="cb4-4"><a href="#cb4-4" tabindex="-1"></a><span class="kw">HAVING</span> <span class="fu">count</span>(Title) <span class="op">&gt;=</span> <span class="dv">10</span>;</span></code></pre>
 </div>
 <p>The <code>HAVING</code> keyword works exactly like the
 <code>WHERE</code> keyword, but uses aggregate functions instead of
@@ -1363,15 +1363,15 @@ <h3 class="callout-title">Challenge<a class="anchor" aria-label="anchor" href="#
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">AVG</span>(Citation_Count)</span>
-<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb5-3"><a href="#cb5-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs</span>
-<span id="cb5-4"><a href="#cb5-4" aria-hidden="true" tabindex="-1"></a><span class="kw">HAVING</span> <span class="fu">AVG</span>(Citation_Count)<span class="op">&gt;=</span><span class="dv">5</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">AVG</span>(Citation_Count)</span>
+<span id="cb5-2"><a href="#cb5-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb5-3"><a href="#cb5-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs</span>
+<span id="cb5-4"><a href="#cb5-4" tabindex="-1"></a><span class="kw">HAVING</span> <span class="fu">AVG</span>(Citation_Count)<span class="op">&gt;=</span><span class="dv">5</span>;</span></code></pre>
 </div>
 </div>
 </div>
@@ -1388,9 +1388,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb6">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, ISSNs, Author_Count <span class="op">-</span><span class="dv">1</span> <span class="kw">as</span> CoAuthor_Count</span>
-<span id="cb6-2"><a href="#cb6-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb6-3"><a href="#cb6-3" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> Author_Count <span class="op">-</span><span class="dv">1</span> <span class="kw">DESC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, ISSNs, Author_Count <span class="op">-</span><span class="dv">1</span> <span class="kw">as</span> CoAuthor_Count</span>
+<span id="cb6-2"><a href="#cb6-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb6-3"><a href="#cb6-3" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> Author_Count <span class="op">-</span><span class="dv">1</span> <span class="kw">DESC</span>;</span></code></pre>
 </div>
 <p>In section <a href="06-joins-aliases.html">6. Joins and aliases</a>
 we are going to learn more about the SQL keyword <code>AS</code> and how
@@ -1469,10 +1469,10 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb1-4"><a href="#cb1-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb1-4"><a href="#cb1-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs;</span></code></pre>
 </div>
 <p><code>ON</code> is similar to <code>WHERE</code>, it filters things
 out according to a test condition. We use the <code>table.colname</code>
@@ -1487,10 +1487,10 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb2-4"><a href="#cb2-4" aria-hidden="true" tabindex="-1"></a><span class="kw">USING</span> (ISSNs);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb2-3"><a href="#cb2-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb2-4"><a href="#cb2-4" tabindex="-1"></a><span class="kw">USING</span> (ISSNs);</span></code></pre>
 </div>
 <p>This figure shows the relations between the tables and helps to
 visualise joining or linking the tables in the database: <img src="fig/articles-erd-v02.png" alt="Articles Database" class="figure"> We will cover
@@ -1505,10 +1505,10 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> articles.ISSNs, journals.Journal_Title, articles.Title, articles.First_Author, articles.<span class="dt">Month</span>, articles.<span class="dt">Year</span></span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb3-3"><a href="#cb3-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb3-4"><a href="#cb3-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">SELECT</span> articles.ISSNs, journals.Journal_Title, articles.Title, articles.First_Author, articles.<span class="dt">Month</span>, articles.<span class="dt">Year</span></span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb3-3"><a href="#cb3-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb3-4"><a href="#cb3-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs;</span></code></pre>
 </div>
 <p>Joins can be combined with sorting, filtering, and aggregation. So,
 if we wanted the average number of authors for articles on each journal,
@@ -1516,11 +1516,11 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> articles.ISSNs, journals.Journal_Title, <span class="fu">ROUND</span>(<span class="fu">AVG</span>(articles.Author_Count), <span class="dv">2</span>)</span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb4-4"><a href="#cb4-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb4-5"><a href="#cb4-5" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> articles.ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">SELECT</span> articles.ISSNs, journals.Journal_Title, <span class="fu">ROUND</span>(<span class="fu">AVG</span>(articles.Author_Count), <span class="dv">2</span>)</span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb4-4"><a href="#cb4-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb4-5"><a href="#cb4-5" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> articles.ISSNs;</span></code></pre>
 </div>
 <p>The <code>ROUND</code> function allows us to round the
 <code>Author_Count</code> number returned by the <code>AVG</code>
@@ -1545,16 +1545,16 @@ <h3 class="callout-title">Challenge<a class="anchor" aria-label="anchor" href="#
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> journals.Journal_Title, <span class="fu">count</span>(<span class="op">*</span>), <span class="fu">avg</span>(articles.Citation_Count)</span>
-<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb5-3"><a href="#cb5-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb5-4"><a href="#cb5-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb5-5"><a href="#cb5-5" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> articles.ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a><span class="kw">SELECT</span> journals.Journal_Title, <span class="fu">count</span>(<span class="op">*</span>), <span class="fu">avg</span>(articles.Citation_Count)</span>
+<span id="cb5-2"><a href="#cb5-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb5-3"><a href="#cb5-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb5-4"><a href="#cb5-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb5-5"><a href="#cb5-5" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> articles.ISSNs;</span></code></pre>
 </div>
 </div>
 </div>
@@ -1564,12 +1564,12 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb6">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher</span>
-<span id="cb6-2"><a href="#cb6-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb6-3"><a href="#cb6-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb6-4"><a href="#cb6-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb6-5"><a href="#cb6-5" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
-<span id="cb6-6"><a href="#cb6-6" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher</span>
+<span id="cb6-2"><a href="#cb6-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb6-3"><a href="#cb6-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb6-4"><a href="#cb6-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb6-5"><a href="#cb6-5" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
+<span id="cb6-6"><a href="#cb6-6" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
 </div>
 <div id="challenge-1" class="callout challenge">
 <div class="callout-square">
@@ -1590,19 +1590,19 @@ <h3 class="callout-title">Challenge<a class="anchor" aria-label="anchor" href="#
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb7">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> journals.Journal_Title, publishers.Publisher, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
-<span id="cb7-2"><a href="#cb7-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb7-3"><a href="#cb7-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb7-4"><a href="#cb7-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb7-5"><a href="#cb7-5" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
-<span id="cb7-6"><a href="#cb7-6" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId</span>
-<span id="cb7-7"><a href="#cb7-7" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Journal_Title</span>
-<span id="cb7-8"><a href="#cb7-8" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">COUNT</span>(<span class="op">*</span>) <span class="kw">DESC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" tabindex="-1"></a><span class="kw">SELECT</span> journals.Journal_Title, publishers.Publisher, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
+<span id="cb7-2"><a href="#cb7-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb7-3"><a href="#cb7-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb7-4"><a href="#cb7-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb7-5"><a href="#cb7-5" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
+<span id="cb7-6"><a href="#cb7-6" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId</span>
+<span id="cb7-7"><a href="#cb7-7" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Journal_Title</span>
+<span id="cb7-8"><a href="#cb7-8" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">COUNT</span>(<span class="op">*</span>) <span class="kw">DESC</span>;</span></code></pre>
 </div>
 </div>
 </div>
@@ -1621,26 +1621,26 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb8">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ar.Title, ar.First_Author, jo.Journal_Title</span>
-<span id="cb8-2"><a href="#cb8-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles <span class="kw">AS</span> ar</span>
-<span id="cb8-3"><a href="#cb8-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals  <span class="kw">AS</span> jo</span>
-<span id="cb8-4"><a href="#cb8-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> ar.ISSNs <span class="op">=</span> jo.ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" tabindex="-1"></a><span class="kw">SELECT</span> ar.Title, ar.First_Author, jo.Journal_Title</span>
+<span id="cb8-2"><a href="#cb8-2" tabindex="-1"></a><span class="kw">FROM</span> articles <span class="kw">AS</span> ar</span>
+<span id="cb8-3"><a href="#cb8-3" tabindex="-1"></a><span class="kw">JOIN</span> journals  <span class="kw">AS</span> jo</span>
+<span id="cb8-4"><a href="#cb8-4" tabindex="-1"></a><span class="kw">ON</span> ar.ISSNs <span class="op">=</span> jo.ISSNs;</span></code></pre>
 </div>
 <p>And column names:</p>
 <div class="codewrapper sourceCode" id="cb9">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb9-1"><a href="#cb9-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ar.title <span class="kw">AS</span> title, ar.first_author <span class="kw">AS</span> author, jo.journal_title <span class="kw">AS</span> journal</span>
-<span id="cb9-2"><a href="#cb9-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles <span class="kw">AS</span> ar</span>
-<span id="cb9-3"><a href="#cb9-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals  <span class="kw">AS</span> jo</span>
-<span id="cb9-4"><a href="#cb9-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> ar.issns <span class="op">=</span> jo.issns;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb9-1"><a href="#cb9-1" tabindex="-1"></a><span class="kw">SELECT</span> ar.title <span class="kw">AS</span> title, ar.first_author <span class="kw">AS</span> author, jo.journal_title <span class="kw">AS</span> journal</span>
+<span id="cb9-2"><a href="#cb9-2" tabindex="-1"></a><span class="kw">FROM</span> articles <span class="kw">AS</span> ar</span>
+<span id="cb9-3"><a href="#cb9-3" tabindex="-1"></a><span class="kw">JOIN</span> journals  <span class="kw">AS</span> jo</span>
+<span id="cb9-4"><a href="#cb9-4" tabindex="-1"></a><span class="kw">ON</span> ar.issns <span class="op">=</span> jo.issns;</span></code></pre>
 </div>
 <p>The <code>AS</code> isn’t technically required, so you could do:</p>
 <div class="codewrapper sourceCode" id="cb10">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb10-1"><a href="#cb10-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> a.Title t</span>
-<span id="cb10-2"><a href="#cb10-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles a;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb10-1"><a href="#cb10-1" tabindex="-1"></a><span class="kw">SELECT</span> a.Title t</span>
+<span id="cb10-2"><a href="#cb10-2" tabindex="-1"></a><span class="kw">FROM</span> articles a;</span></code></pre>
 </div>
 <p>But using <code>AS</code> is much clearer so it is good style to
 include it.</p>
@@ -1712,25 +1712,25 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">VIEW</span> journal_counts <span class="kw">AS</span></span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
-<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb1-4"><a href="#cb1-4" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">VIEW</span> journal_counts <span class="kw">AS</span></span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
+<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb1-4"><a href="#cb1-4" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs;</span></code></pre>
 </div>
 <p>Now, we will be able to access these results with a much shorter
 notation:</p>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> journal_counts;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> journal_counts;</span></code></pre>
 </div>
 <p>Assuming we do not need this view anymore, we can remove it from the
 database.</p>
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">DROP</span> <span class="kw">VIEW</span> journal_counts;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">DROP</span> <span class="kw">VIEW</span> journal_counts;</span></code></pre>
 </div>
 <p>In DBBrowser for SQLite, you can also create a view from any query by
 omitting the <code>CREATE VIEW viewname AS</code> statement and instead,
@@ -1759,18 +1759,18 @@ <h3 class="callout-title">Challenge<a class="anchor" aria-label="anchor" href="#
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">VIEW</span> journal_counts <span class="kw">AS</span></span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> journals.Journal_Title, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb4-4"><a href="#cb4-4" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb4-5"><a href="#cb4-5" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb4-6"><a href="#cb4-6" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Journal_Title</span>
-<span id="cb4-7"><a href="#cb4-7" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">COUNT</span>(<span class="op">*</span>) <span class="kw">DESC</span></span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">VIEW</span> journal_counts <span class="kw">AS</span></span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">SELECT</span> journals.Journal_Title, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb4-4"><a href="#cb4-4" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb4-5"><a href="#cb4-5" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb4-6"><a href="#cb4-6" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Journal_Title</span>
+<span id="cb4-7"><a href="#cb4-7" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">COUNT</span>(<span class="op">*</span>) <span class="kw">DESC</span></span></code></pre>
 </div>
 </div>
 </div>
@@ -2095,13 +2095,13 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">TABLE</span> journals(<span class="kw">id</span> text, ISSN<span class="op">-</span>L text, ISSNs text, PublisherId text, Journal_Title text);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">TABLE</span> journals(<span class="kw">id</span> text, ISSN<span class="op">-</span>L text, ISSNs text, PublisherId text, Journal_Title text);</span></code></pre>
 </div>
 <p>We can get rid of one of our tables using:</p>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">DROP</span> <span class="kw">TABLE</span> journals;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">DROP</span> <span class="kw">TABLE</span> journals;</span></code></pre>
 </div>
 <p>Be very careful when doing this: if you drop the wrong table, hope
 that the person maintaining the database has a backup, but it’s better
@@ -2114,14 +2114,14 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">TABLE</span> <span class="ot">"journals"</span> (</span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a>	<span class="ot">"id"</span>	<span class="dt">INTEGER</span> <span class="kw">NOT</span> <span class="kw">NULL</span> <span class="kw">PRIMARY</span> <span class="kw">KEY</span> AUTOINCREMENT,</span>
-<span id="cb3-3"><a href="#cb3-3" aria-hidden="true" tabindex="-1"></a>	<span class="ot">"ISSN-L"</span>	TEXT,</span>
-<span id="cb3-4"><a href="#cb3-4" aria-hidden="true" tabindex="-1"></a>	<span class="ot">"ISSNs"</span>	TEXT,</span>
-<span id="cb3-5"><a href="#cb3-5" aria-hidden="true" tabindex="-1"></a>	<span class="ot">"PublisherId"</span>	<span class="dt">INTEGER</span>,</span>
-<span id="cb3-6"><a href="#cb3-6" aria-hidden="true" tabindex="-1"></a>	<span class="ot">"Journal_Title"</span>	TEXT,</span>
-<span id="cb3-7"><a href="#cb3-7" aria-hidden="true" tabindex="-1"></a>	<span class="kw">CONSTRAINT</span> <span class="ot">"PublisherId"</span> <span class="kw">FOREIGN</span> <span class="kw">KEY</span>(<span class="ot">"PublisherId"</span>) <span class="kw">REFERENCES</span> <span class="ot">"publishers"</span>(<span class="ot">"id"</span>) </span>
-<span id="cb3-8"><a href="#cb3-8" aria-hidden="true" tabindex="-1"></a>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">TABLE</span> <span class="ot">"journals"</span> (</span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a>	<span class="ot">"id"</span>	<span class="dt">INTEGER</span> <span class="kw">NOT</span> <span class="kw">NULL</span> <span class="kw">PRIMARY</span> <span class="kw">KEY</span> AUTOINCREMENT,</span>
+<span id="cb3-3"><a href="#cb3-3" tabindex="-1"></a>	<span class="ot">"ISSN-L"</span>	TEXT,</span>
+<span id="cb3-4"><a href="#cb3-4" tabindex="-1"></a>	<span class="ot">"ISSNs"</span>	TEXT,</span>
+<span id="cb3-5"><a href="#cb3-5" tabindex="-1"></a>	<span class="ot">"PublisherId"</span>	<span class="dt">INTEGER</span>,</span>
+<span id="cb3-6"><a href="#cb3-6" tabindex="-1"></a>	<span class="ot">"Journal_Title"</span>	TEXT,</span>
+<span id="cb3-7"><a href="#cb3-7" tabindex="-1"></a>	<span class="kw">CONSTRAINT</span> <span class="ot">"PublisherId"</span> <span class="kw">FOREIGN</span> <span class="kw">KEY</span>(<span class="ot">"PublisherId"</span>) <span class="kw">REFERENCES</span> <span class="ot">"publishers"</span>(<span class="ot">"id"</span>) </span>
+<span id="cb3-8"><a href="#cb3-8" tabindex="-1"></a>);</span></code></pre>
 </div>
 <p>Once again, exactly what constraints are available and what they’re
 called depends on which database manager we are using.</p>
@@ -2133,16 +2133,16 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">1</span>,<span class="st">'2077-0472'</span>,<span class="st">'2077-0472'</span>,<span class="dv">2</span>,<span class="st">'Agriculture'</span>);</span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">2</span>,<span class="st">'2073-4395'</span>,<span class="st">'2073-4395'</span>,<span class="dv">2</span>,<span class="st">'Agronomy'</span>);</span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">3</span>,<span class="st">'2076-2616'</span>,<span class="st">'2076-2616'</span>,<span class="dv">2</span>,<span class="st">'Animals'</span>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">1</span>,<span class="st">'2077-0472'</span>,<span class="st">'2077-0472'</span>,<span class="dv">2</span>,<span class="st">'Agriculture'</span>);</span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">2</span>,<span class="st">'2073-4395'</span>,<span class="st">'2073-4395'</span>,<span class="dv">2</span>,<span class="st">'Agronomy'</span>);</span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">3</span>,<span class="st">'2076-2616'</span>,<span class="st">'2076-2616'</span>,<span class="dv">2</span>,<span class="st">'Animals'</span>);</span></code></pre>
 </div>
 <p>We can also insert values into one table directly from another:</p>
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">TABLE</span> <span class="ot">"myjournals"</span>(Journal_Title text, ISSNs text);</span>
-<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"myjournals"</span> <span class="kw">SELECT</span> Journal_Title, ISSNs <span class="kw">FROM</span> journals;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">TABLE</span> <span class="ot">"myjournals"</span>(Journal_Title text, ISSNs text);</span>
+<span id="cb5-2"><a href="#cb5-2" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"myjournals"</span> <span class="kw">SELECT</span> Journal_Title, ISSNs <span class="kw">FROM</span> journals;</span></code></pre>
 </div>
 <p>Modifying existing records is done using the <code>UPDATE</code>
 statement. To do this we tell the database which table we want to
@@ -2154,7 +2154,7 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb6">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" aria-hidden="true" tabindex="-1"></a><span class="kw">UPDATE</span> journals <span class="kw">SET</span> ISSN<span class="op">-</span>L <span class="op">=</span> <span class="dv">2076</span><span class="op">-</span><span class="dv">2615</span>, ISSNs <span class="op">=</span> <span class="dv">2076</span><span class="op">-</span><span class="dv">2615</span> <span class="kw">WHERE</span> <span class="kw">id</span> <span class="op">=</span> <span class="dv">3</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" tabindex="-1"></a><span class="kw">UPDATE</span> journals <span class="kw">SET</span> ISSN<span class="op">-</span>L <span class="op">=</span> <span class="dv">2076</span><span class="op">-</span><span class="dv">2615</span>, ISSNs <span class="op">=</span> <span class="dv">2076</span><span class="op">-</span><span class="dv">2615</span> <span class="kw">WHERE</span> <span class="kw">id</span> <span class="op">=</span> <span class="dv">3</span>;</span></code></pre>
 </div>
 <p>Be careful to not forget the <code>WHERE</code> clause or the update
 statement will modify <em>all</em> of the records in the database.</p>
@@ -2167,7 +2167,7 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb7">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" aria-hidden="true" tabindex="-1"></a><span class="kw">DELETE</span> <span class="kw">FROM</span> journals <span class="kw">WHERE</span> Journal_Title <span class="op">=</span> <span class="st">'Animals'</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" tabindex="-1"></a><span class="kw">DELETE</span> <span class="kw">FROM</span> journals <span class="kw">WHERE</span> Journal_Title <span class="op">=</span> <span class="st">'Animals'</span>;</span></code></pre>
 </div>
 <p>But now the article
 <code>Early Onset of Laying and Bumblefoot Favor Keel Bone Fractures</code>
@@ -2195,13 +2195,13 @@ <h3 class="callout-title">Exercise<a class="anchor" aria-label="anchor" href="#e
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb8">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" aria-hidden="true" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"publishers"</span> <span class="kw">VALUES</span> (<span class="dv">7</span>,<span class="st">'Institute of Physics (IOP)'</span>);</span>
-<span id="cb8-2"><a href="#cb8-2" aria-hidden="true" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">52</span>,<span class="st">'1367-2630'</span>,<span class="st">'1367-2630'</span>,<span class="dv">7</span>,<span class="st">'New Journal of Physics'</span>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"publishers"</span> <span class="kw">VALUES</span> (<span class="dv">7</span>,<span class="st">'Institute of Physics (IOP)'</span>);</span>
+<span id="cb8-2"><a href="#cb8-2" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">52</span>,<span class="st">'1367-2630'</span>,<span class="st">'1367-2630'</span>,<span class="dv">7</span>,<span class="st">'New Journal of Physics'</span>);</span></code></pre>
 </div>
 </div>
 </div>
@@ -2231,7 +2231,7 @@ <h3 class="callout-title">Backing Up with SQL<a class="anchor" aria-label="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <div class="section level4">
 <h4 id="advantages">Advantages<a class="anchor" aria-label="anchor" href="#advantages"></a>
@@ -2413,15 +2413,15 @@ <h3 class="callout-title">Challenge 1<a class="anchor" aria-label="anchor" href=
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Solution 1</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> First_Author, <span class="fu">COUNT</span>( <span class="op">*</span> ) <span class="kw">AS</span> n_articles</span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> First_Author</span>
-<span id="cb1-4"><a href="#cb1-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> n_articles <span class="kw">DESC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> First_Author, <span class="fu">COUNT</span>( <span class="op">*</span> ) <span class="kw">AS</span> n_articles</span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> First_Author</span>
+<span id="cb1-4"><a href="#cb1-4" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> n_articles <span class="kw">DESC</span>;</span></code></pre>
 </div>
 </div>
 </div>
@@ -2445,14 +2445,14 @@ <h3 class="callout-title">Challenge 2<a class="anchor" aria-label="anchor" href=
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Solution 2</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Author_Count, <span class="fu">COUNT</span>( <span class="op">*</span> )</span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Author_Count;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> Author_Count, <span class="fu">COUNT</span>( <span class="op">*</span> )</span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb2-3"><a href="#cb2-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Author_Count;</span></code></pre>
 </div>
 </div>
 </div>
@@ -2476,17 +2476,17 @@ <h3 class="callout-title">Challenge 3<a class="anchor" aria-label="anchor" href=
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Solution 3</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Language, <span class="fu">COUNT</span>( <span class="op">*</span> )</span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb3-3"><a href="#cb3-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> languages</span>
-<span id="cb3-4"><a href="#cb3-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.LanguageId<span class="op">=</span>languages.<span class="kw">id</span></span>
-<span id="cb3-5"><a href="#cb3-5" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> Language <span class="op">!=</span> <span class="st">''</span></span>
-<span id="cb3-6"><a href="#cb3-6" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Language;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">SELECT</span> Language, <span class="fu">COUNT</span>( <span class="op">*</span> )</span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb3-3"><a href="#cb3-3" tabindex="-1"></a><span class="kw">JOIN</span> languages</span>
+<span id="cb3-4"><a href="#cb3-4" tabindex="-1"></a><span class="kw">ON</span> articles.LanguageId<span class="op">=</span>languages.<span class="kw">id</span></span>
+<span id="cb3-5"><a href="#cb3-5" tabindex="-1"></a><span class="kw">WHERE</span> Language <span class="op">!=</span> <span class="st">''</span></span>
+<span id="cb3-6"><a href="#cb3-6" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Language;</span></code></pre>
 </div>
 </div>
 </div>
@@ -2511,17 +2511,17 @@ <h3 class="callout-title">Challenge 4<a class="anchor" aria-label="anchor" href=
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Solution 4</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Licence, <span class="fu">AVG</span>( Citation_Count ), <span class="fu">COUNT</span>( <span class="op">*</span> )</span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> licences</span>
-<span id="cb4-4"><a href="#cb4-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.LicenceId<span class="op">=</span>licences.<span class="kw">id</span></span>
-<span id="cb4-5"><a href="#cb4-5" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> Licence <span class="op">!=</span> <span class="st">''</span></span>
-<span id="cb4-6"><a href="#cb4-6" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Licence;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">SELECT</span> Licence, <span class="fu">AVG</span>( Citation_Count ), <span class="fu">COUNT</span>( <span class="op">*</span> )</span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="kw">JOIN</span> licences</span>
+<span id="cb4-4"><a href="#cb4-4" tabindex="-1"></a><span class="kw">ON</span> articles.LicenceId<span class="op">=</span>licences.<span class="kw">id</span></span>
+<span id="cb4-5"><a href="#cb4-5" tabindex="-1"></a><span class="kw">WHERE</span> Licence <span class="op">!=</span> <span class="st">''</span></span>
+<span id="cb4-6"><a href="#cb4-6" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Licence;</span></code></pre>
 </div>
 </div>
 </div>
@@ -2546,17 +2546,17 @@ <h3 class="callout-title">Challenge 5<a class="anchor" aria-label="anchor" href=
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Solution 5</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, First_Author, Author_Count, Citation_Count, <span class="dt">Month</span>, <span class="dt">Year</span>, Journal_Title, Publisher</span>
-<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb5-3"><a href="#cb5-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb5-4"><a href="#cb5-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.issns<span class="op">=</span>journals.ISSNs</span>
-<span id="cb5-5"><a href="#cb5-5" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
-<span id="cb5-6"><a href="#cb5-6" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span><span class="op">=</span>journals.PublisherId;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, First_Author, Author_Count, Citation_Count, <span class="dt">Month</span>, <span class="dt">Year</span>, Journal_Title, Publisher</span>
+<span id="cb5-2"><a href="#cb5-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb5-3"><a href="#cb5-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb5-4"><a href="#cb5-4" tabindex="-1"></a><span class="kw">ON</span> articles.issns<span class="op">=</span>journals.ISSNs</span>
+<span id="cb5-5"><a href="#cb5-5" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
+<span id="cb5-6"><a href="#cb5-6" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span><span class="op">=</span>journals.PublisherId;</span></code></pre>
 </div>
 </div>
 </div>
@@ -2649,18 +2649,18 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher <span class="kw">FROM</span> articles <span class="kw">JOIN</span> journals <span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs <span class="kw">JOIN</span> publishers <span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher <span class="kw">FROM</span> articles <span class="kw">JOIN</span> journals <span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs <span class="kw">JOIN</span> publishers <span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
 </div>
 <p>Into something that looks like this:</p>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher</span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb2-4"><a href="#cb2-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb2-5"><a href="#cb2-5" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
-<span id="cb2-6"><a href="#cb2-6" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher</span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb2-3"><a href="#cb2-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb2-4"><a href="#cb2-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb2-5"><a href="#cb2-5" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
+<span id="cb2-6"><a href="#cb2-6" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
 </div>
 <p>In some programs (such as MySQL), there will be tools that can
 automatically “beautify” your code for better readability.</p>
@@ -2727,8 +2727,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://librarycarpentry.github.io/lc-sql/aio.html",
   "identifier": "https://librarycarpentry.github.io/lc-sql/aio.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-02-27",
-  "datePublished": "2024-02-27"
+  "dateModified": "2024-03-05",
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/discuss.html b/discuss.html
index 31f920cc..3cb1bfdb 100644
--- a/discuss.html
+++ b/discuss.html
@@ -384,7 +384,7 @@ <h1>Discussion</h1>
   "identifier": "https://librarycarpentry.github.io/lc-sql/discuss.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-09-19",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/images.html b/images.html
index 4e8f95f7..9352d959 100644
--- a/images.html
+++ b/images.html
@@ -456,8 +456,8 @@ <h3 id="08-database-design-figure-4">Figure 4</h3>
   "url": "https://librarycarpentry.github.io/lc-sql/images.html",
   "identifier": "https://librarycarpentry.github.io/lc-sql/images.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-02-27",
-  "datePublished": "2024-02-27"
+  "dateModified": "2024-03-05",
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/index.html b/index.html
index 70c08067..5c736ad4 100644
--- a/index.html
+++ b/index.html
@@ -468,8 +468,8 @@ <h4 id="open-the-sql-file-in-sqliteonline">Open the SQL file in SqliteOnline<a c
   "url": "https://librarycarpentry.github.io/lc-sql/index.html",
   "identifier": "https://librarycarpentry.github.io/lc-sql/index.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-02-27",
-  "datePublished": "2024-02-27"
+  "dateModified": "2024-03-05",
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/instructor-notes.html b/instructor-notes.html
index 73f05213..e854716b 100644
--- a/instructor-notes.html
+++ b/instructor-notes.html
@@ -461,10 +461,10 @@ <h2 id="import-csv-in-sqlite">Import CSV in SQLite<a class="anchor" aria-label="
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode bash" tabindex="0"><code class="sourceCode bash"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="ex">$</span> sqlite3 output.db</span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="ex">sqlite</span><span class="op">&gt;</span> .mode csv</span>
-<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a><span class="ex">sqlite</span><span class="op">&gt;</span> .import dataset-final-20160825-zenodo.csv</span>
-<span id="cb1-4"><a href="#cb1-4" aria-hidden="true" tabindex="-1"></a><span class="ex">sqlite</span><span class="op">&gt;</span> .schema</span></code></pre>
+<pre class="sourceCode bash" tabindex="0"><code class="sourceCode bash"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="ex">$</span> sqlite3 output.db</span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="ex">sqlite</span><span class="op">&gt;</span> .mode csv</span>
+<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="ex">sqlite</span><span class="op">&gt;</span> .import dataset-final-20160825-zenodo.csv</span>
+<span id="cb1-4"><a href="#cb1-4" tabindex="-1"></a><span class="ex">sqlite</span><span class="op">&gt;</span> .schema</span></code></pre>
 </div>
 </div>
 <div class="section level2">
@@ -528,8 +528,8 @@ <h2 id="resources">Resources<a class="anchor" aria-label="anchor" href="#resourc
   "url": "https://librarycarpentry.github.io/lc-sql/instructor-notes.html",
   "identifier": "https://librarycarpentry.github.io/lc-sql/instructor-notes.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-02-27",
-  "datePublished": "2024-02-27"
+  "dateModified": "2024-03-05",
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/instructor/01-introduction.html b/instructor/01-introduction.html
index 16d49933..22856647 100644
--- a/instructor/01-introduction.html
+++ b/instructor/01-introduction.html
@@ -410,14 +410,13 @@ <h3 class="card-title">Objectives</h3>
 imposed by a mediated search interface. Library workers are good at
 searching information – constructing queries using SQL is a different
 and more direct way of finding information.</p>
-<div id="what-are-some-of-the-uses-for-sql-in-libraries" class="callout callout">
+<div id="callout1" class="callout">
 <div class="callout-square">
 <i class="callout-icon" data-feather="bell"></i>
 </div>
-<div id="what-are-some-of-the-uses-for-sql-in-libraries" class="callout-inner">
-<h3 class="callout-title">What are some of the uses for SQL in
-libraries?<a class="anchor" aria-label="anchor" href="#what-are-some-of-the-uses-for-sql-in-libraries"></a>
-</h3>
+<div class="section level3 callout-title callout-inner">
+<h3 class="callout-title" id="what-are-some-of-the-uses-for-sql-in-libraries">What are some of the uses for SQL in
+libraries?<a class="anchor" aria-label="anchor" href="#what-are-some-of-the-uses-for-sql-in-libraries"></a></h3>
 <div class="callout-content">
 <ul><li><p>You can use SQL to make macro or large scale changes to metadata
 records in library databases, for instance, updating journal names so
@@ -648,7 +647,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-sql/instructor/01-introduction.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-02",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/instructor/02-selecting-sorting-data.html b/instructor/02-selecting-sorting-data.html
index 05ec505e..ac42f6ad 100644
--- a/instructor/02-selecting-sorting-data.html
+++ b/instructor/02-selecting-sorting-data.html
@@ -378,8 +378,8 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> title</span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> title</span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
 </div>
 </section><section id="capitalization-and-good-style"><h2 class="section-heading">Capitalization and good style<a class="anchor" aria-label="anchor" href="#capitalization-and-good-style"></a>
 </h2>
@@ -396,31 +396,31 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, Authors, ISSNs, <span class="dt">Year</span></span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> Articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, Authors, ISSNs, <span class="dt">Year</span></span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> Articles;</span></code></pre>
 </div>
 <p>instead of</p>
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, authors, ISSNs, <span class="dt">Year</span></span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, authors, ISSNs, <span class="dt">Year</span></span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
 </div>
 <p>If we want more information, we can add a new column to the list of
 fields right after <code>SELECT</code>:</p>
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, Authors, ISSNs, <span class="dt">Year</span>, DOI</span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, Authors, ISSNs, <span class="dt">Year</span>, DOI</span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
 </div>
 <p>Or we can select all of the columns in a table using the wildcard
 <code>*</code>.</p>
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb5-2"><a href="#cb5-2" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
 </div>
 </section><section id="unique-values"><h2 class="section-heading">Unique values<a class="anchor" aria-label="anchor" href="#unique-values"></a>
 </h2>
@@ -432,8 +432,8 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb6">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="kw">DISTINCT</span> ISSNs</span>
-<span id="cb6-2"><a href="#cb6-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="kw">DISTINCT</span> ISSNs</span>
+<span id="cb6-2"><a href="#cb6-2" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
 </div>
 <p>Note, some database systems require a semicolon <code>;</code> after
 each SQL statement. If we select more than one column, then the distinct
@@ -441,8 +441,8 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb7">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="kw">DISTINCT</span> ISSNs, <span class="dt">Day</span>, <span class="dt">Month</span>, <span class="dt">Year</span></span>
-<span id="cb7-2"><a href="#cb7-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="kw">DISTINCT</span> ISSNs, <span class="dt">Day</span>, <span class="dt">Month</span>, <span class="dt">Year</span></span>
+<span id="cb7-2"><a href="#cb7-2" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
 </div>
 </section><section id="sorting"><h2 class="section-heading">Sorting<a class="anchor" aria-label="anchor" href="#sorting"></a>
 </h2>
@@ -453,9 +453,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb8">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb8-2"><a href="#cb8-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb8-3"><a href="#cb8-3" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> ISSNs <span class="kw">ASC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb8-2"><a href="#cb8-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb8-3"><a href="#cb8-3" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> ISSNs <span class="kw">ASC</span>;</span></code></pre>
 </div>
 <p>The keyword <code>ASC</code> tells us to order it in ascending order.
 Instead, we can use <code>DESC</code> to get the descending order
@@ -463,9 +463,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb9">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb9-1"><a href="#cb9-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb9-2"><a href="#cb9-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb9-3"><a href="#cb9-3" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> First_Author <span class="kw">DESC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb9-1"><a href="#cb9-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb9-2"><a href="#cb9-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb9-3"><a href="#cb9-3" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> First_Author <span class="kw">DESC</span>;</span></code></pre>
 </div>
 <p><code>ASC</code> is the default, so by omitting <code>ASC</code> or
 <code>DESC</code>, SQLite will sort ascending (ASC).</p>
@@ -475,9 +475,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb10">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb10-1"><a href="#cb10-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb10-2"><a href="#cb10-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb10-3"><a href="#cb10-3" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> ISSNs <span class="kw">DESC</span>, First_Author <span class="kw">ASC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb10-1"><a href="#cb10-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb10-2"><a href="#cb10-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb10-3"><a href="#cb10-3" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> ISSNs <span class="kw">DESC</span>, First_Author <span class="kw">ASC</span>;</span></code></pre>
 </div>
 <div id="challenge" class="callout challenge">
 <div class="callout-square">
@@ -504,9 +504,9 @@ <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 <div class="codewrapper sourceCode" id="cb11">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb11-1"><a href="#cb11-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, First_Author, ISSNs, Citation_Count</span>
-<span id="cb11-2"><a href="#cb11-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb11-3"><a href="#cb11-3" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> Citation_Count <span class="kw">DESC</span>, Title <span class="kw">ASC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb11-1"><a href="#cb11-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, First_Author, ISSNs, Citation_Count</span>
+<span id="cb11-2"><a href="#cb11-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb11-3"><a href="#cb11-3" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> Citation_Count <span class="kw">DESC</span>, Title <span class="kw">ASC</span>;</span></code></pre>
 </div>
 </div>
 </div>
@@ -586,7 +586,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-sql/instructor/02-selecting-sorting-data.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-09-19",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/instructor/03-filtering.html b/instructor/03-filtering.html
index 0699c44b..1512a527 100644
--- a/instructor/03-filtering.html
+++ b/instructor/03-filtering.html
@@ -364,9 +364,9 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> ISSNs<span class="op">=</span><span class="st">'2056-9890'</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="kw">WHERE</span> ISSNs<span class="op">=</span><span class="st">'2056-9890'</span>;</span></code></pre>
 </div>
 <p>We can add additional conditions by using <code>AND</code>,
 <code>OR</code>, and/or <code>NOT</code>. For example, suppose we want
@@ -374,9 +374,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> (ISSNs<span class="op">=</span><span class="st">'2056-9890'</span>) <span class="kw">AND</span> (<span class="dt">Month</span> <span class="op">&gt;</span> <span class="dv">10</span>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb2-3"><a href="#cb2-3" tabindex="-1"></a><span class="kw">WHERE</span> (ISSNs<span class="op">=</span><span class="st">'2056-9890'</span>) <span class="kw">AND</span> (<span class="dt">Month</span> <span class="op">&gt;</span> <span class="dv">10</span>);</span></code></pre>
 </div>
 <p>Parentheses are used merely for readability in this case but can be
 required by the SQL interpreter in order to disambiguate formulas.</p>
@@ -386,9 +386,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb3-3"><a href="#cb3-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> (issns <span class="op">=</span> <span class="st">'2076-0787'</span>) <span class="kw">OR</span> (issns <span class="op">=</span> <span class="st">'2077-1444'</span>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb3-3"><a href="#cb3-3" tabindex="-1"></a><span class="kw">WHERE</span> (issns <span class="op">=</span> <span class="st">'2076-0787'</span>) <span class="kw">OR</span> (issns <span class="op">=</span> <span class="st">'2077-1444'</span>);</span></code></pre>
 </div>
 <p>When you do not know the entire value you are searching for, you can
 use comparison keywords such as <code>LIKE</code>, <code>IN</code>,
@@ -401,9 +401,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> Subjects <span class="kw">LIKE</span> <span class="st">'%Crystal Structure%'</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="kw">WHERE</span> Subjects <span class="kw">LIKE</span> <span class="st">'%Crystal Structure%'</span>;</span></code></pre>
 </div>
 <p>You may have noticed the wildcard character <code>%</code>. It is
 used to match zero to many characters. So in the SQL statement above, it
@@ -440,9 +440,9 @@ <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, First_Author, Subjects, ISSNs, <span class="dt">Month</span>, <span class="dt">Year</span></span>
-<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb5-3"><a href="#cb5-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> (Subjects <span class="kw">LIKE</span> <span class="st">'%computer%'</span>) <span class="kw">AND</span> (Citation_Count <span class="op">&gt;</span> <span class="dv">8</span>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, First_Author, Subjects, ISSNs, <span class="dt">Month</span>, <span class="dt">Year</span></span>
+<span id="cb5-2"><a href="#cb5-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb5-3"><a href="#cb5-3" tabindex="-1"></a><span class="kw">WHERE</span> (Subjects <span class="kw">LIKE</span> <span class="st">'%computer%'</span>) <span class="kw">AND</span> (Citation_Count <span class="op">&gt;</span> <span class="dv">8</span>);</span></code></pre>
 </div>
 </div>
 </div>
@@ -525,7 +525,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-sql/instructor/03-filtering.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-02",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/instructor/04-ordering-commenting.html b/instructor/04-ordering-commenting.html
index 881bd5ce..d93fd725 100644
--- a/instructor/04-ordering-commenting.html
+++ b/instructor/04-ordering-commenting.html
@@ -357,23 +357,22 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, Authors</span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> ISSNs <span class="op">=</span> <span class="st">'2067-2764|2247-6202'</span></span>
-<span id="cb1-4"><a href="#cb1-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> First_Author <span class="kw">ASC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, Authors</span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="kw">WHERE</span> ISSNs <span class="op">=</span> <span class="st">'2067-2764|2247-6202'</span></span>
+<span id="cb1-4"><a href="#cb1-4" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> First_Author <span class="kw">ASC</span>;</span></code></pre>
 </div>
 <p>What is interesting to note about this query is that we don’t
 necessarily have to display the <code>First_Author</code> column in our
 results in order to sort by it.</p>
 <p>We can do this because sorting occurs earlier in the computational
 pipeline than field selection.</p>
-<div id="the-computer-is-basically-doing-this" class="callout callout">
+<div id="callout1" class="callout">
 <div class="callout-square">
 <i class="callout-icon" data-feather="bell"></i>
 </div>
-<div id="the-computer-is-basically-doing-this" class="callout-inner">
-<h3 class="callout-title">The computer is basically doing this:<a class="anchor" aria-label="anchor" href="#the-computer-is-basically-doing-this"></a>
-</h3>
+<div class="section level3 callout-title callout-inner">
+<h3 class="callout-title" id="the-computer-is-basically-doing-this">The computer is basically doing this:<a class="anchor" aria-label="anchor" href="#the-computer-is-basically-doing-this"></a></h3>
 <div class="callout-content">
 <ol style="list-style-type: decimal"><li>Filtering rows according to WHERE</li>
 <li>Sorting results according to ORDER BY</li>
@@ -395,9 +394,9 @@ <h3 class="callout-title">The computer is basically doing this:<a class="anchor"
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> (ISSNs <span class="op">=</span> <span class="st">'2076-0787'</span>) <span class="kw">OR</span> (ISSNs <span class="op">=</span> <span class="st">'2077-1444'</span>) <span class="kw">OR</span> (ISSNs <span class="op">=</span> <span class="st">'2067-2764|2247-6202'</span>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb2-3"><a href="#cb2-3" tabindex="-1"></a><span class="kw">WHERE</span> (ISSNs <span class="op">=</span> <span class="st">'2076-0787'</span>) <span class="kw">OR</span> (ISSNs <span class="op">=</span> <span class="st">'2077-1444'</span>) <span class="kw">OR</span> (ISSNs <span class="op">=</span> <span class="st">'2067-2764|2247-6202'</span>);</span></code></pre>
 </div>
 <p>SQL offers the flexibility of iteratively adding new conditions but
 you may reach a point where the query is difficult to read and
@@ -406,9 +405,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb3-3"><a href="#cb3-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> (ISSNs <span class="kw">IN</span> (<span class="st">'2076-0787'</span>, <span class="st">'2077-1444'</span>, <span class="st">'2067-2764|2247-6202'</span>));</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb3-3"><a href="#cb3-3" tabindex="-1"></a><span class="kw">WHERE</span> (ISSNs <span class="kw">IN</span> (<span class="st">'2076-0787'</span>, <span class="st">'2077-1444'</span>, <span class="st">'2067-2764|2247-6202'</span>));</span></code></pre>
 </div>
 <p>We started with something simple, then added more clauses one by one,
 testing their effects as we went along. For complex queries, this is a
@@ -428,23 +427,23 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="co">/*In this section, even though JOINS (see link below this code block)</span></span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="co">are not introduced until Episode 6, we want to give an example how to</span></span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="co">join multiple tables because they represent a good example of using</span></span>
-<span id="cb4-4"><a href="#cb4-4" aria-hidden="true" tabindex="-1"></a><span class="co">comments in SQL to explain more complex queries.*/</span></span>
-<span id="cb4-5"><a href="#cb4-5" aria-hidden="true" tabindex="-1"></a></span>
-<span id="cb4-6"><a href="#cb4-6" aria-hidden="true" tabindex="-1"></a><span class="co">-- First we mention all the fields we want to display</span></span>
-<span id="cb4-7"><a href="#cb4-7" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher</span>
-<span id="cb4-8"><a href="#cb4-8" aria-hidden="true" tabindex="-1"></a><span class="co">-- from the first table</span></span>
-<span id="cb4-9"><a href="#cb4-9" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb4-10"><a href="#cb4-10" aria-hidden="true" tabindex="-1"></a><span class="co">-- and join it with the second table.</span></span>
-<span id="cb4-11"><a href="#cb4-11" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb4-12"><a href="#cb4-12" aria-hidden="true" tabindex="-1"></a><span class="co">-- The related attributes are:</span></span>
-<span id="cb4-13"><a href="#cb4-13" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb4-14"><a href="#cb4-14" aria-hidden="true" tabindex="-1"></a><span class="co">-- We want to join a third table,</span></span>
-<span id="cb4-15"><a href="#cb4-15" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
-<span id="cb4-16"><a href="#cb4-16" aria-hidden="true" tabindex="-1"></a><span class="co">-- the related attributes are:</span></span>
-<span id="cb4-17"><a href="#cb4-17" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="co">/*In this section, even though JOINS (see link below this code block)</span></span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="co">are not introduced until Episode 6, we want to give an example how to</span></span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="co">join multiple tables because they represent a good example of using</span></span>
+<span id="cb4-4"><a href="#cb4-4" tabindex="-1"></a><span class="co">comments in SQL to explain more complex queries.*/</span></span>
+<span id="cb4-5"><a href="#cb4-5" tabindex="-1"></a></span>
+<span id="cb4-6"><a href="#cb4-6" tabindex="-1"></a><span class="co">-- First we mention all the fields we want to display</span></span>
+<span id="cb4-7"><a href="#cb4-7" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher</span>
+<span id="cb4-8"><a href="#cb4-8" tabindex="-1"></a><span class="co">-- from the first table</span></span>
+<span id="cb4-9"><a href="#cb4-9" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb4-10"><a href="#cb4-10" tabindex="-1"></a><span class="co">-- and join it with the second table.</span></span>
+<span id="cb4-11"><a href="#cb4-11" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb4-12"><a href="#cb4-12" tabindex="-1"></a><span class="co">-- The related attributes are:</span></span>
+<span id="cb4-13"><a href="#cb4-13" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb4-14"><a href="#cb4-14" tabindex="-1"></a><span class="co">-- We want to join a third table,</span></span>
+<span id="cb4-15"><a href="#cb4-15" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
+<span id="cb4-16"><a href="#cb4-16" tabindex="-1"></a><span class="co">-- the related attributes are:</span></span>
+<span id="cb4-17"><a href="#cb4-17" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
 </div>
 <p>To see the introduction and explanation of JOINS, please click to <a href="06-joins-aliases.html">Episode 6</a>. {: .sql}</p>
 <div id="keypoints1" class="callout keypoints">
@@ -519,7 +518,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-sql/instructor/04-ordering-commenting.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-09-19",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/instructor/05-aggregating-calculating.html b/instructor/05-aggregating-calculating.html
index 53c1ceba..7dec67da 100644
--- a/instructor/05-aggregating-calculating.html
+++ b/instructor/05-aggregating-calculating.html
@@ -370,9 +370,9 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">AVG</span>(Citation_Count)</span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">AVG</span>(Citation_Count)</span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs;</span></code></pre>
 </div>
 <p><code>GROUP BY</code> is used by SQL to arrange identical data into
 groups. In this case, we are arranging all the citation counts by ISSNs.
@@ -386,10 +386,10 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">AVG</span>(Citation_Count)</span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs </span>
-<span id="cb2-4"><a href="#cb2-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">AVG</span>(Citation_Count) <span class="kw">DESC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">AVG</span>(Citation_Count)</span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb2-3"><a href="#cb2-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs </span>
+<span id="cb2-4"><a href="#cb2-4" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">AVG</span>(Citation_Count) <span class="kw">DESC</span>;</span></code></pre>
 </div>
 <div id="challenge" class="callout challenge">
 <div class="callout-square">
@@ -412,15 +412,15 @@ <h3 class="callout-title">Challenge<a class="anchor" aria-label="anchor" href="#
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">COUNT</span>(Title)</span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb3-3"><a href="#cb3-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs</span>
-<span id="cb3-4"><a href="#cb3-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">COUNT</span>(Title) <span class="kw">DESC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">COUNT</span>(Title)</span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb3-3"><a href="#cb3-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs</span>
+<span id="cb3-4"><a href="#cb3-4" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">COUNT</span>(Title) <span class="kw">DESC</span>;</span></code></pre>
 </div>
 </div>
 </div>
@@ -436,10 +436,10 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs</span>
-<span id="cb4-4"><a href="#cb4-4" aria-hidden="true" tabindex="-1"></a><span class="kw">HAVING</span> <span class="fu">count</span>(Title) <span class="op">&gt;=</span> <span class="dv">10</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs</span>
+<span id="cb4-4"><a href="#cb4-4" tabindex="-1"></a><span class="kw">HAVING</span> <span class="fu">count</span>(Title) <span class="op">&gt;=</span> <span class="dv">10</span>;</span></code></pre>
 </div>
 <p>The <code>HAVING</code> keyword works exactly like the
 <code>WHERE</code> keyword, but uses aggregate functions instead of
@@ -471,15 +471,15 @@ <h3 class="callout-title">Challenge<a class="anchor" aria-label="anchor" href="#
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">AVG</span>(Citation_Count)</span>
-<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb5-3"><a href="#cb5-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs</span>
-<span id="cb5-4"><a href="#cb5-4" aria-hidden="true" tabindex="-1"></a><span class="kw">HAVING</span> <span class="fu">AVG</span>(Citation_Count)<span class="op">&gt;=</span><span class="dv">5</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">AVG</span>(Citation_Count)</span>
+<span id="cb5-2"><a href="#cb5-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb5-3"><a href="#cb5-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs</span>
+<span id="cb5-4"><a href="#cb5-4" tabindex="-1"></a><span class="kw">HAVING</span> <span class="fu">AVG</span>(Citation_Count)<span class="op">&gt;=</span><span class="dv">5</span>;</span></code></pre>
 </div>
 </div>
 </div>
@@ -495,9 +495,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb6">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, ISSNs, Author_Count <span class="op">-</span><span class="dv">1</span> <span class="kw">as</span> CoAuthor_Count</span>
-<span id="cb6-2"><a href="#cb6-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb6-3"><a href="#cb6-3" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> Author_Count <span class="op">-</span><span class="dv">1</span> <span class="kw">DESC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, ISSNs, Author_Count <span class="op">-</span><span class="dv">1</span> <span class="kw">as</span> CoAuthor_Count</span>
+<span id="cb6-2"><a href="#cb6-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb6-3"><a href="#cb6-3" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> Author_Count <span class="op">-</span><span class="dv">1</span> <span class="kw">DESC</span>;</span></code></pre>
 </div>
 <p>In section <a href="06-joins-aliases.html">6. Joins and aliases</a>
 we are going to learn more about the SQL keyword <code>AS</code> and how
@@ -583,7 +583,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-sql/instructor/05-aggregating-calculating.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-02",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/instructor/06-joins-aliases.html b/instructor/06-joins-aliases.html
index 7d6e1cac..10a5404e 100644
--- a/instructor/06-joins-aliases.html
+++ b/instructor/06-joins-aliases.html
@@ -365,10 +365,10 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb1-4"><a href="#cb1-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb1-4"><a href="#cb1-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs;</span></code></pre>
 </div>
 <p><code>ON</code> is similar to <code>WHERE</code>, it filters things
 out according to a test condition. We use the <code>table.colname</code>
@@ -383,10 +383,10 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb2-4"><a href="#cb2-4" aria-hidden="true" tabindex="-1"></a><span class="kw">USING</span> (ISSNs);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb2-3"><a href="#cb2-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb2-4"><a href="#cb2-4" tabindex="-1"></a><span class="kw">USING</span> (ISSNs);</span></code></pre>
 </div>
 <p>This figure shows the relations between the tables and helps to
 visualise joining or linking the tables in the database: <img src="../fig/articles-erd-v02.png" alt="Articles Database" class="figure"> We will cover
@@ -401,10 +401,10 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> articles.ISSNs, journals.Journal_Title, articles.Title, articles.First_Author, articles.<span class="dt">Month</span>, articles.<span class="dt">Year</span></span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb3-3"><a href="#cb3-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb3-4"><a href="#cb3-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">SELECT</span> articles.ISSNs, journals.Journal_Title, articles.Title, articles.First_Author, articles.<span class="dt">Month</span>, articles.<span class="dt">Year</span></span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb3-3"><a href="#cb3-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb3-4"><a href="#cb3-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs;</span></code></pre>
 </div>
 <p>Joins can be combined with sorting, filtering, and aggregation. So,
 if we wanted the average number of authors for articles on each journal,
@@ -412,11 +412,11 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> articles.ISSNs, journals.Journal_Title, <span class="fu">ROUND</span>(<span class="fu">AVG</span>(articles.Author_Count), <span class="dv">2</span>)</span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb4-4"><a href="#cb4-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb4-5"><a href="#cb4-5" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> articles.ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">SELECT</span> articles.ISSNs, journals.Journal_Title, <span class="fu">ROUND</span>(<span class="fu">AVG</span>(articles.Author_Count), <span class="dv">2</span>)</span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb4-4"><a href="#cb4-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb4-5"><a href="#cb4-5" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> articles.ISSNs;</span></code></pre>
 </div>
 <p>The <code>ROUND</code> function allows us to round the
 <code>Author_Count</code> number returned by the <code>AVG</code>
@@ -441,16 +441,16 @@ <h3 class="callout-title">Challenge<a class="anchor" aria-label="anchor" href="#
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> journals.Journal_Title, <span class="fu">count</span>(<span class="op">*</span>), <span class="fu">avg</span>(articles.Citation_Count)</span>
-<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb5-3"><a href="#cb5-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb5-4"><a href="#cb5-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb5-5"><a href="#cb5-5" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> articles.ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a><span class="kw">SELECT</span> journals.Journal_Title, <span class="fu">count</span>(<span class="op">*</span>), <span class="fu">avg</span>(articles.Citation_Count)</span>
+<span id="cb5-2"><a href="#cb5-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb5-3"><a href="#cb5-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb5-4"><a href="#cb5-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb5-5"><a href="#cb5-5" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> articles.ISSNs;</span></code></pre>
 </div>
 </div>
 </div>
@@ -460,12 +460,12 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb6">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher</span>
-<span id="cb6-2"><a href="#cb6-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb6-3"><a href="#cb6-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb6-4"><a href="#cb6-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb6-5"><a href="#cb6-5" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
-<span id="cb6-6"><a href="#cb6-6" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher</span>
+<span id="cb6-2"><a href="#cb6-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb6-3"><a href="#cb6-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb6-4"><a href="#cb6-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb6-5"><a href="#cb6-5" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
+<span id="cb6-6"><a href="#cb6-6" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
 </div>
 <div id="challenge-1" class="callout challenge">
 <div class="callout-square">
@@ -486,19 +486,19 @@ <h3 class="callout-title">Challenge<a class="anchor" aria-label="anchor" href="#
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb7">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> journals.Journal_Title, publishers.Publisher, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
-<span id="cb7-2"><a href="#cb7-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb7-3"><a href="#cb7-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb7-4"><a href="#cb7-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb7-5"><a href="#cb7-5" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
-<span id="cb7-6"><a href="#cb7-6" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId</span>
-<span id="cb7-7"><a href="#cb7-7" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Journal_Title</span>
-<span id="cb7-8"><a href="#cb7-8" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">COUNT</span>(<span class="op">*</span>) <span class="kw">DESC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" tabindex="-1"></a><span class="kw">SELECT</span> journals.Journal_Title, publishers.Publisher, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
+<span id="cb7-2"><a href="#cb7-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb7-3"><a href="#cb7-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb7-4"><a href="#cb7-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb7-5"><a href="#cb7-5" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
+<span id="cb7-6"><a href="#cb7-6" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId</span>
+<span id="cb7-7"><a href="#cb7-7" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Journal_Title</span>
+<span id="cb7-8"><a href="#cb7-8" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">COUNT</span>(<span class="op">*</span>) <span class="kw">DESC</span>;</span></code></pre>
 </div>
 </div>
 </div>
@@ -516,26 +516,26 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb8">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ar.Title, ar.First_Author, jo.Journal_Title</span>
-<span id="cb8-2"><a href="#cb8-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles <span class="kw">AS</span> ar</span>
-<span id="cb8-3"><a href="#cb8-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals  <span class="kw">AS</span> jo</span>
-<span id="cb8-4"><a href="#cb8-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> ar.ISSNs <span class="op">=</span> jo.ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" tabindex="-1"></a><span class="kw">SELECT</span> ar.Title, ar.First_Author, jo.Journal_Title</span>
+<span id="cb8-2"><a href="#cb8-2" tabindex="-1"></a><span class="kw">FROM</span> articles <span class="kw">AS</span> ar</span>
+<span id="cb8-3"><a href="#cb8-3" tabindex="-1"></a><span class="kw">JOIN</span> journals  <span class="kw">AS</span> jo</span>
+<span id="cb8-4"><a href="#cb8-4" tabindex="-1"></a><span class="kw">ON</span> ar.ISSNs <span class="op">=</span> jo.ISSNs;</span></code></pre>
 </div>
 <p>And column names:</p>
 <div class="codewrapper sourceCode" id="cb9">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb9-1"><a href="#cb9-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ar.title <span class="kw">AS</span> title, ar.first_author <span class="kw">AS</span> author, jo.journal_title <span class="kw">AS</span> journal</span>
-<span id="cb9-2"><a href="#cb9-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles <span class="kw">AS</span> ar</span>
-<span id="cb9-3"><a href="#cb9-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals  <span class="kw">AS</span> jo</span>
-<span id="cb9-4"><a href="#cb9-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> ar.issns <span class="op">=</span> jo.issns;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb9-1"><a href="#cb9-1" tabindex="-1"></a><span class="kw">SELECT</span> ar.title <span class="kw">AS</span> title, ar.first_author <span class="kw">AS</span> author, jo.journal_title <span class="kw">AS</span> journal</span>
+<span id="cb9-2"><a href="#cb9-2" tabindex="-1"></a><span class="kw">FROM</span> articles <span class="kw">AS</span> ar</span>
+<span id="cb9-3"><a href="#cb9-3" tabindex="-1"></a><span class="kw">JOIN</span> journals  <span class="kw">AS</span> jo</span>
+<span id="cb9-4"><a href="#cb9-4" tabindex="-1"></a><span class="kw">ON</span> ar.issns <span class="op">=</span> jo.issns;</span></code></pre>
 </div>
 <p>The <code>AS</code> isn’t technically required, so you could do:</p>
 <div class="codewrapper sourceCode" id="cb10">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb10-1"><a href="#cb10-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> a.Title t</span>
-<span id="cb10-2"><a href="#cb10-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles a;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb10-1"><a href="#cb10-1" tabindex="-1"></a><span class="kw">SELECT</span> a.Title t</span>
+<span id="cb10-2"><a href="#cb10-2" tabindex="-1"></a><span class="kw">FROM</span> articles a;</span></code></pre>
 </div>
 <p>But using <code>AS</code> is much clearer so it is good style to
 include it.</p>
@@ -614,7 +614,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-sql/instructor/06-joins-aliases.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-09-19",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/instructor/07-saving-queries.html b/instructor/07-saving-queries.html
index 4daa4404..b5a3c1fe 100644
--- a/instructor/07-saving-queries.html
+++ b/instructor/07-saving-queries.html
@@ -364,25 +364,25 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">VIEW</span> journal_counts <span class="kw">AS</span></span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
-<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb1-4"><a href="#cb1-4" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">VIEW</span> journal_counts <span class="kw">AS</span></span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
+<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb1-4"><a href="#cb1-4" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs;</span></code></pre>
 </div>
 <p>Now, we will be able to access these results with a much shorter
 notation:</p>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> journal_counts;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> journal_counts;</span></code></pre>
 </div>
 <p>Assuming we do not need this view anymore, we can remove it from the
 database.</p>
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">DROP</span> <span class="kw">VIEW</span> journal_counts;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">DROP</span> <span class="kw">VIEW</span> journal_counts;</span></code></pre>
 </div>
 <p>In DBBrowser for SQLite, you can also create a view from any query by
 omitting the <code>CREATE VIEW viewname AS</code> statement and instead,
@@ -411,18 +411,18 @@ <h3 class="callout-title">Challenge<a class="anchor" aria-label="anchor" href="#
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">VIEW</span> journal_counts <span class="kw">AS</span></span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> journals.Journal_Title, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb4-4"><a href="#cb4-4" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb4-5"><a href="#cb4-5" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb4-6"><a href="#cb4-6" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Journal_Title</span>
-<span id="cb4-7"><a href="#cb4-7" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">COUNT</span>(<span class="op">*</span>) <span class="kw">DESC</span></span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">VIEW</span> journal_counts <span class="kw">AS</span></span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">SELECT</span> journals.Journal_Title, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb4-4"><a href="#cb4-4" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb4-5"><a href="#cb4-5" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb4-6"><a href="#cb4-6" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Journal_Title</span>
+<span id="cb4-7"><a href="#cb4-7" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">COUNT</span>(<span class="op">*</span>) <span class="kw">DESC</span></span></code></pre>
 </div>
 </div>
 </div>
@@ -500,7 +500,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-sql/instructor/07-saving-queries.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-02",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/instructor/08-database-design.html b/instructor/08-database-design.html
index 3bfbd97b..66ec9b2c 100644
--- a/instructor/08-database-design.html
+++ b/instructor/08-database-design.html
@@ -618,7 +618,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-sql/instructor/08-database-design.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-09-19",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/instructor/09-create.html b/instructor/09-create.html
index d65642cc..80e0e0c8 100644
--- a/instructor/09-create.html
+++ b/instructor/09-create.html
@@ -356,13 +356,13 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">TABLE</span> journals(<span class="kw">id</span> text, ISSN<span class="op">-</span>L text, ISSNs text, PublisherId text, Journal_Title text);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">TABLE</span> journals(<span class="kw">id</span> text, ISSN<span class="op">-</span>L text, ISSNs text, PublisherId text, Journal_Title text);</span></code></pre>
 </div>
 <p>We can get rid of one of our tables using:</p>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">DROP</span> <span class="kw">TABLE</span> journals;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">DROP</span> <span class="kw">TABLE</span> journals;</span></code></pre>
 </div>
 <p>Be very careful when doing this: if you drop the wrong table, hope
 that the person maintaining the database has a backup, but it’s better
@@ -375,14 +375,14 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">TABLE</span> <span class="ot">"journals"</span> (</span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a>	<span class="ot">"id"</span>	<span class="dt">INTEGER</span> <span class="kw">NOT</span> <span class="kw">NULL</span> <span class="kw">PRIMARY</span> <span class="kw">KEY</span> AUTOINCREMENT,</span>
-<span id="cb3-3"><a href="#cb3-3" aria-hidden="true" tabindex="-1"></a>	<span class="ot">"ISSN-L"</span>	TEXT,</span>
-<span id="cb3-4"><a href="#cb3-4" aria-hidden="true" tabindex="-1"></a>	<span class="ot">"ISSNs"</span>	TEXT,</span>
-<span id="cb3-5"><a href="#cb3-5" aria-hidden="true" tabindex="-1"></a>	<span class="ot">"PublisherId"</span>	<span class="dt">INTEGER</span>,</span>
-<span id="cb3-6"><a href="#cb3-6" aria-hidden="true" tabindex="-1"></a>	<span class="ot">"Journal_Title"</span>	TEXT,</span>
-<span id="cb3-7"><a href="#cb3-7" aria-hidden="true" tabindex="-1"></a>	<span class="kw">CONSTRAINT</span> <span class="ot">"PublisherId"</span> <span class="kw">FOREIGN</span> <span class="kw">KEY</span>(<span class="ot">"PublisherId"</span>) <span class="kw">REFERENCES</span> <span class="ot">"publishers"</span>(<span class="ot">"id"</span>) </span>
-<span id="cb3-8"><a href="#cb3-8" aria-hidden="true" tabindex="-1"></a>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">TABLE</span> <span class="ot">"journals"</span> (</span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a>	<span class="ot">"id"</span>	<span class="dt">INTEGER</span> <span class="kw">NOT</span> <span class="kw">NULL</span> <span class="kw">PRIMARY</span> <span class="kw">KEY</span> AUTOINCREMENT,</span>
+<span id="cb3-3"><a href="#cb3-3" tabindex="-1"></a>	<span class="ot">"ISSN-L"</span>	TEXT,</span>
+<span id="cb3-4"><a href="#cb3-4" tabindex="-1"></a>	<span class="ot">"ISSNs"</span>	TEXT,</span>
+<span id="cb3-5"><a href="#cb3-5" tabindex="-1"></a>	<span class="ot">"PublisherId"</span>	<span class="dt">INTEGER</span>,</span>
+<span id="cb3-6"><a href="#cb3-6" tabindex="-1"></a>	<span class="ot">"Journal_Title"</span>	TEXT,</span>
+<span id="cb3-7"><a href="#cb3-7" tabindex="-1"></a>	<span class="kw">CONSTRAINT</span> <span class="ot">"PublisherId"</span> <span class="kw">FOREIGN</span> <span class="kw">KEY</span>(<span class="ot">"PublisherId"</span>) <span class="kw">REFERENCES</span> <span class="ot">"publishers"</span>(<span class="ot">"id"</span>) </span>
+<span id="cb3-8"><a href="#cb3-8" tabindex="-1"></a>);</span></code></pre>
 </div>
 <p>Once again, exactly what constraints are available and what they’re
 called depends on which database manager we are using.</p>
@@ -394,16 +394,16 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">1</span>,<span class="st">'2077-0472'</span>,<span class="st">'2077-0472'</span>,<span class="dv">2</span>,<span class="st">'Agriculture'</span>);</span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">2</span>,<span class="st">'2073-4395'</span>,<span class="st">'2073-4395'</span>,<span class="dv">2</span>,<span class="st">'Agronomy'</span>);</span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">3</span>,<span class="st">'2076-2616'</span>,<span class="st">'2076-2616'</span>,<span class="dv">2</span>,<span class="st">'Animals'</span>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">1</span>,<span class="st">'2077-0472'</span>,<span class="st">'2077-0472'</span>,<span class="dv">2</span>,<span class="st">'Agriculture'</span>);</span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">2</span>,<span class="st">'2073-4395'</span>,<span class="st">'2073-4395'</span>,<span class="dv">2</span>,<span class="st">'Agronomy'</span>);</span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">3</span>,<span class="st">'2076-2616'</span>,<span class="st">'2076-2616'</span>,<span class="dv">2</span>,<span class="st">'Animals'</span>);</span></code></pre>
 </div>
 <p>We can also insert values into one table directly from another:</p>
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">TABLE</span> <span class="ot">"myjournals"</span>(Journal_Title text, ISSNs text);</span>
-<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"myjournals"</span> <span class="kw">SELECT</span> Journal_Title, ISSNs <span class="kw">FROM</span> journals;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">TABLE</span> <span class="ot">"myjournals"</span>(Journal_Title text, ISSNs text);</span>
+<span id="cb5-2"><a href="#cb5-2" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"myjournals"</span> <span class="kw">SELECT</span> Journal_Title, ISSNs <span class="kw">FROM</span> journals;</span></code></pre>
 </div>
 <p>Modifying existing records is done using the <code>UPDATE</code>
 statement. To do this we tell the database which table we want to
@@ -415,7 +415,7 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb6">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" aria-hidden="true" tabindex="-1"></a><span class="kw">UPDATE</span> journals <span class="kw">SET</span> ISSN<span class="op">-</span>L <span class="op">=</span> <span class="dv">2076</span><span class="op">-</span><span class="dv">2615</span>, ISSNs <span class="op">=</span> <span class="dv">2076</span><span class="op">-</span><span class="dv">2615</span> <span class="kw">WHERE</span> <span class="kw">id</span> <span class="op">=</span> <span class="dv">3</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" tabindex="-1"></a><span class="kw">UPDATE</span> journals <span class="kw">SET</span> ISSN<span class="op">-</span>L <span class="op">=</span> <span class="dv">2076</span><span class="op">-</span><span class="dv">2615</span>, ISSNs <span class="op">=</span> <span class="dv">2076</span><span class="op">-</span><span class="dv">2615</span> <span class="kw">WHERE</span> <span class="kw">id</span> <span class="op">=</span> <span class="dv">3</span>;</span></code></pre>
 </div>
 <p>Be careful to not forget the <code>WHERE</code> clause or the update
 statement will modify <em>all</em> of the records in the database.</p>
@@ -428,7 +428,7 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb7">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" aria-hidden="true" tabindex="-1"></a><span class="kw">DELETE</span> <span class="kw">FROM</span> journals <span class="kw">WHERE</span> Journal_Title <span class="op">=</span> <span class="st">'Animals'</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" tabindex="-1"></a><span class="kw">DELETE</span> <span class="kw">FROM</span> journals <span class="kw">WHERE</span> Journal_Title <span class="op">=</span> <span class="st">'Animals'</span>;</span></code></pre>
 </div>
 <p>But now the article
 <code>Early Onset of Laying and Bumblefoot Favor Keel Bone Fractures</code>
@@ -456,13 +456,13 @@ <h3 class="callout-title">Exercise<a class="anchor" aria-label="anchor" href="#e
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb8">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" aria-hidden="true" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"publishers"</span> <span class="kw">VALUES</span> (<span class="dv">7</span>,<span class="st">'Institute of Physics (IOP)'</span>);</span>
-<span id="cb8-2"><a href="#cb8-2" aria-hidden="true" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">52</span>,<span class="st">'1367-2630'</span>,<span class="st">'1367-2630'</span>,<span class="dv">7</span>,<span class="st">'New Journal of Physics'</span>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"publishers"</span> <span class="kw">VALUES</span> (<span class="dv">7</span>,<span class="st">'Institute of Physics (IOP)'</span>);</span>
+<span id="cb8-2"><a href="#cb8-2" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">52</span>,<span class="st">'1367-2630'</span>,<span class="st">'1367-2630'</span>,<span class="dv">7</span>,<span class="st">'New Journal of Physics'</span>);</span></code></pre>
 </div>
 </div>
 </div>
@@ -492,7 +492,7 @@ <h3 class="callout-title">Backing Up with SQL<a class="anchor" aria-label="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <div class="section level4">
 <h4 id="advantages">Advantages<a class="anchor" aria-label="anchor" href="#advantages"></a></h4>
@@ -596,7 +596,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-sql/instructor/09-create.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-09-19",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/instructor/10-other-tools.html b/instructor/10-other-tools.html
index 318906a7..3b5c3b45 100644
--- a/instructor/10-other-tools.html
+++ b/instructor/10-other-tools.html
@@ -438,7 +438,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-sql/instructor/10-other-tools.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-02",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/instructor/11-extra-challenges.html b/instructor/11-extra-challenges.html
index 9083d491..d2caa6c6 100644
--- a/instructor/11-extra-challenges.html
+++ b/instructor/11-extra-challenges.html
@@ -380,15 +380,15 @@ <h3 class="callout-title">Challenge 1<a class="anchor" aria-label="anchor" href=
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Solution 1</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> First_Author, <span class="fu">COUNT</span>( <span class="op">*</span> ) <span class="kw">AS</span> n_articles</span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> First_Author</span>
-<span id="cb1-4"><a href="#cb1-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> n_articles <span class="kw">DESC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> First_Author, <span class="fu">COUNT</span>( <span class="op">*</span> ) <span class="kw">AS</span> n_articles</span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> First_Author</span>
+<span id="cb1-4"><a href="#cb1-4" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> n_articles <span class="kw">DESC</span>;</span></code></pre>
 </div>
 </div>
 </div>
@@ -412,14 +412,14 @@ <h3 class="callout-title">Challenge 2<a class="anchor" aria-label="anchor" href=
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Solution 2</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Author_Count, <span class="fu">COUNT</span>( <span class="op">*</span> )</span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Author_Count;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> Author_Count, <span class="fu">COUNT</span>( <span class="op">*</span> )</span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb2-3"><a href="#cb2-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Author_Count;</span></code></pre>
 </div>
 </div>
 </div>
@@ -443,17 +443,17 @@ <h3 class="callout-title">Challenge 3<a class="anchor" aria-label="anchor" href=
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Solution 3</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Language, <span class="fu">COUNT</span>( <span class="op">*</span> )</span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb3-3"><a href="#cb3-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> languages</span>
-<span id="cb3-4"><a href="#cb3-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.LanguageId<span class="op">=</span>languages.<span class="kw">id</span></span>
-<span id="cb3-5"><a href="#cb3-5" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> Language <span class="op">!=</span> <span class="st">''</span></span>
-<span id="cb3-6"><a href="#cb3-6" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Language;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">SELECT</span> Language, <span class="fu">COUNT</span>( <span class="op">*</span> )</span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb3-3"><a href="#cb3-3" tabindex="-1"></a><span class="kw">JOIN</span> languages</span>
+<span id="cb3-4"><a href="#cb3-4" tabindex="-1"></a><span class="kw">ON</span> articles.LanguageId<span class="op">=</span>languages.<span class="kw">id</span></span>
+<span id="cb3-5"><a href="#cb3-5" tabindex="-1"></a><span class="kw">WHERE</span> Language <span class="op">!=</span> <span class="st">''</span></span>
+<span id="cb3-6"><a href="#cb3-6" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Language;</span></code></pre>
 </div>
 </div>
 </div>
@@ -478,17 +478,17 @@ <h3 class="callout-title">Challenge 4<a class="anchor" aria-label="anchor" href=
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Solution 4</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Licence, <span class="fu">AVG</span>( Citation_Count ), <span class="fu">COUNT</span>( <span class="op">*</span> )</span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> licences</span>
-<span id="cb4-4"><a href="#cb4-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.LicenceId<span class="op">=</span>licences.<span class="kw">id</span></span>
-<span id="cb4-5"><a href="#cb4-5" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> Licence <span class="op">!=</span> <span class="st">''</span></span>
-<span id="cb4-6"><a href="#cb4-6" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Licence;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">SELECT</span> Licence, <span class="fu">AVG</span>( Citation_Count ), <span class="fu">COUNT</span>( <span class="op">*</span> )</span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="kw">JOIN</span> licences</span>
+<span id="cb4-4"><a href="#cb4-4" tabindex="-1"></a><span class="kw">ON</span> articles.LicenceId<span class="op">=</span>licences.<span class="kw">id</span></span>
+<span id="cb4-5"><a href="#cb4-5" tabindex="-1"></a><span class="kw">WHERE</span> Licence <span class="op">!=</span> <span class="st">''</span></span>
+<span id="cb4-6"><a href="#cb4-6" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Licence;</span></code></pre>
 </div>
 </div>
 </div>
@@ -513,17 +513,17 @@ <h3 class="callout-title">Challenge 5<a class="anchor" aria-label="anchor" href=
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Solution 5</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, First_Author, Author_Count, Citation_Count, <span class="dt">Month</span>, <span class="dt">Year</span>, Journal_Title, Publisher</span>
-<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb5-3"><a href="#cb5-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb5-4"><a href="#cb5-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.issns<span class="op">=</span>journals.ISSNs</span>
-<span id="cb5-5"><a href="#cb5-5" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
-<span id="cb5-6"><a href="#cb5-6" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span><span class="op">=</span>journals.PublisherId;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, First_Author, Author_Count, Citation_Count, <span class="dt">Month</span>, <span class="dt">Year</span>, Journal_Title, Publisher</span>
+<span id="cb5-2"><a href="#cb5-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb5-3"><a href="#cb5-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb5-4"><a href="#cb5-4" tabindex="-1"></a><span class="kw">ON</span> articles.issns<span class="op">=</span>journals.ISSNs</span>
+<span id="cb5-5"><a href="#cb5-5" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
+<span id="cb5-6"><a href="#cb5-6" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span><span class="op">=</span>journals.PublisherId;</span></code></pre>
 </div>
 </div>
 </div>
@@ -601,7 +601,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-sql/instructor/11-extra-challenges.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-02",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/instructor/404.html b/instructor/404.html
index bccf9f98..e8b2e973 100644
--- a/instructor/404.html
+++ b/instructor/404.html
@@ -374,8 +374,8 @@ <h1>Page not found</h1>
   "url": "https://librarycarpentry.github.io/lc-sql/instructor/404.html",
   "identifier": "https://librarycarpentry.github.io/lc-sql/instructor/404.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-02-27",
-  "datePublished": "2024-02-27"
+  "dateModified": "2024-03-05",
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/instructor/Bonus_GoodStyle.html b/instructor/Bonus_GoodStyle.html
index 280c9ba7..51786c04 100644
--- a/instructor/Bonus_GoodStyle.html
+++ b/instructor/Bonus_GoodStyle.html
@@ -386,18 +386,18 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher <span class="kw">FROM</span> articles <span class="kw">JOIN</span> journals <span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs <span class="kw">JOIN</span> publishers <span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher <span class="kw">FROM</span> articles <span class="kw">JOIN</span> journals <span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs <span class="kw">JOIN</span> publishers <span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
 </div>
 <p>Into something that looks like this:</p>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher</span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb2-4"><a href="#cb2-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb2-5"><a href="#cb2-5" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
-<span id="cb2-6"><a href="#cb2-6" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher</span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb2-3"><a href="#cb2-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb2-4"><a href="#cb2-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb2-5"><a href="#cb2-5" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
+<span id="cb2-6"><a href="#cb2-6" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
 </div>
 <p>In some programs (such as MySQL), there will be tools that can
 automatically “beautify” your code for better readability.</p>
@@ -473,7 +473,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://librarycarpentry.github.io/lc-sql/instructor/Bonus_GoodStyle.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-02",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/instructor/CODE_OF_CONDUCT.html b/instructor/CODE_OF_CONDUCT.html
index e061f2be..ea399c49 100644
--- a/instructor/CODE_OF_CONDUCT.html
+++ b/instructor/CODE_OF_CONDUCT.html
@@ -384,7 +384,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://librarycarpentry.github.io/lc-sql/instructor/CODE_OF_CONDUCT.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-02",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/instructor/LICENSE.html b/instructor/LICENSE.html
index 841d8d15..e7204e7e 100644
--- a/instructor/LICENSE.html
+++ b/instructor/LICENSE.html
@@ -435,7 +435,7 @@ <h1>Licenses</h1>
   "identifier": "https://librarycarpentry.github.io/lc-sql/instructor/LICENSE.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-05-02",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/instructor/aio.html b/instructor/aio.html
index 66575d7a..dc25908d 100644
--- a/instructor/aio.html
+++ b/instructor/aio.html
@@ -464,12 +464,12 @@ <h3 class="card-title">Objectives</h3>
 imposed by a mediated search interface. Library workers are good at
 searching information – constructing queries using SQL is a different
 and more direct way of finding information.</p>
-<div id="what-are-some-of-the-uses-for-sql-in-libraries" class="callout callout">
+<div id="callout1" class="callout">
 <div class="callout-square">
 <i class="callout-icon" data-feather="bell"></i>
 </div>
-<div id="what-are-some-of-the-uses-for-sql-in-libraries" class="callout-inner">
-<h3 class="callout-title">What are some of the uses for SQL in
+<div class="section level3 callout-title callout-inner">
+<h3 class="callout-title" id="what-are-some-of-the-uses-for-sql-in-libraries">What are some of the uses for SQL in
 libraries?<a class="anchor" aria-label="anchor" href="#what-are-some-of-the-uses-for-sql-in-libraries"></a>
 </h3>
 <div class="callout-content">
@@ -751,8 +751,8 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> title</span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> title</span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
 </div>
 </section><section id="capitalization-and-good-style"><h2 class="section-heading">Capitalization and good style<a class="anchor" aria-label="anchor" href="#capitalization-and-good-style"></a>
 </h2>
@@ -770,31 +770,31 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, Authors, ISSNs, <span class="dt">Year</span></span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> Articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, Authors, ISSNs, <span class="dt">Year</span></span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> Articles;</span></code></pre>
 </div>
 <p>instead of</p>
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, authors, ISSNs, <span class="dt">Year</span></span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, authors, ISSNs, <span class="dt">Year</span></span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
 </div>
 <p>If we want more information, we can add a new column to the list of
 fields right after <code>SELECT</code>:</p>
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, Authors, ISSNs, <span class="dt">Year</span>, DOI</span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, Authors, ISSNs, <span class="dt">Year</span>, DOI</span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
 </div>
 <p>Or we can select all of the columns in a table using the wildcard
 <code>*</code>.</p>
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb5-2"><a href="#cb5-2" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
 </div>
 </section><section id="unique-values"><h2 class="section-heading">Unique values<a class="anchor" aria-label="anchor" href="#unique-values"></a>
 </h2>
@@ -807,8 +807,8 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb6">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="kw">DISTINCT</span> ISSNs</span>
-<span id="cb6-2"><a href="#cb6-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="kw">DISTINCT</span> ISSNs</span>
+<span id="cb6-2"><a href="#cb6-2" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
 </div>
 <p>Note, some database systems require a semicolon <code>;</code> after
 each SQL statement. If we select more than one column, then the distinct
@@ -816,8 +816,8 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb7">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="kw">DISTINCT</span> ISSNs, <span class="dt">Day</span>, <span class="dt">Month</span>, <span class="dt">Year</span></span>
-<span id="cb7-2"><a href="#cb7-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="kw">DISTINCT</span> ISSNs, <span class="dt">Day</span>, <span class="dt">Month</span>, <span class="dt">Year</span></span>
+<span id="cb7-2"><a href="#cb7-2" tabindex="-1"></a><span class="kw">FROM</span> articles;</span></code></pre>
 </div>
 </section><section id="sorting"><h2 class="section-heading">Sorting<a class="anchor" aria-label="anchor" href="#sorting"></a>
 </h2>
@@ -829,9 +829,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb8">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb8-2"><a href="#cb8-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb8-3"><a href="#cb8-3" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> ISSNs <span class="kw">ASC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb8-2"><a href="#cb8-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb8-3"><a href="#cb8-3" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> ISSNs <span class="kw">ASC</span>;</span></code></pre>
 </div>
 <p>The keyword <code>ASC</code> tells us to order it in ascending order.
 Instead, we can use <code>DESC</code> to get the descending order
@@ -839,9 +839,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb9">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb9-1"><a href="#cb9-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb9-2"><a href="#cb9-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb9-3"><a href="#cb9-3" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> First_Author <span class="kw">DESC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb9-1"><a href="#cb9-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb9-2"><a href="#cb9-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb9-3"><a href="#cb9-3" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> First_Author <span class="kw">DESC</span>;</span></code></pre>
 </div>
 <p><code>ASC</code> is the default, so by omitting <code>ASC</code> or
 <code>DESC</code>, SQLite will sort ascending (ASC).</p>
@@ -851,9 +851,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb10">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb10-1"><a href="#cb10-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb10-2"><a href="#cb10-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb10-3"><a href="#cb10-3" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> ISSNs <span class="kw">DESC</span>, First_Author <span class="kw">ASC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb10-1"><a href="#cb10-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb10-2"><a href="#cb10-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb10-3"><a href="#cb10-3" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> ISSNs <span class="kw">DESC</span>, First_Author <span class="kw">ASC</span>;</span></code></pre>
 </div>
 <div id="challenge" class="callout challenge">
 <div class="callout-square">
@@ -880,9 +880,9 @@ <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 <div class="codewrapper sourceCode" id="cb11">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb11-1"><a href="#cb11-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, First_Author, ISSNs, Citation_Count</span>
-<span id="cb11-2"><a href="#cb11-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb11-3"><a href="#cb11-3" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> Citation_Count <span class="kw">DESC</span>, Title <span class="kw">ASC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb11-1"><a href="#cb11-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, First_Author, ISSNs, Citation_Count</span>
+<span id="cb11-2"><a href="#cb11-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb11-3"><a href="#cb11-3" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> Citation_Count <span class="kw">DESC</span>, Title <span class="kw">ASC</span>;</span></code></pre>
 </div>
 </div>
 </div>
@@ -956,9 +956,9 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> ISSNs<span class="op">=</span><span class="st">'2056-9890'</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="kw">WHERE</span> ISSNs<span class="op">=</span><span class="st">'2056-9890'</span>;</span></code></pre>
 </div>
 <p>We can add additional conditions by using <code>AND</code>,
 <code>OR</code>, and/or <code>NOT</code>. For example, suppose we want
@@ -966,9 +966,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> (ISSNs<span class="op">=</span><span class="st">'2056-9890'</span>) <span class="kw">AND</span> (<span class="dt">Month</span> <span class="op">&gt;</span> <span class="dv">10</span>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb2-3"><a href="#cb2-3" tabindex="-1"></a><span class="kw">WHERE</span> (ISSNs<span class="op">=</span><span class="st">'2056-9890'</span>) <span class="kw">AND</span> (<span class="dt">Month</span> <span class="op">&gt;</span> <span class="dv">10</span>);</span></code></pre>
 </div>
 <p>Parentheses are used merely for readability in this case but can be
 required by the SQL interpreter in order to disambiguate formulas.</p>
@@ -978,9 +978,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb3-3"><a href="#cb3-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> (issns <span class="op">=</span> <span class="st">'2076-0787'</span>) <span class="kw">OR</span> (issns <span class="op">=</span> <span class="st">'2077-1444'</span>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb3-3"><a href="#cb3-3" tabindex="-1"></a><span class="kw">WHERE</span> (issns <span class="op">=</span> <span class="st">'2076-0787'</span>) <span class="kw">OR</span> (issns <span class="op">=</span> <span class="st">'2077-1444'</span>);</span></code></pre>
 </div>
 <p>When you do not know the entire value you are searching for, you can
 use comparison keywords such as <code>LIKE</code>, <code>IN</code>,
@@ -993,9 +993,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> Subjects <span class="kw">LIKE</span> <span class="st">'%Crystal Structure%'</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="kw">WHERE</span> Subjects <span class="kw">LIKE</span> <span class="st">'%Crystal Structure%'</span>;</span></code></pre>
 </div>
 <p>You may have noticed the wildcard character <code>%</code>. It is
 used to match zero to many characters. So in the SQL statement above, it
@@ -1032,9 +1032,9 @@ <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, First_Author, Subjects, ISSNs, <span class="dt">Month</span>, <span class="dt">Year</span></span>
-<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb5-3"><a href="#cb5-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> (Subjects <span class="kw">LIKE</span> <span class="st">'%computer%'</span>) <span class="kw">AND</span> (Citation_Count <span class="op">&gt;</span> <span class="dv">8</span>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, First_Author, Subjects, ISSNs, <span class="dt">Month</span>, <span class="dt">Year</span></span>
+<span id="cb5-2"><a href="#cb5-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb5-3"><a href="#cb5-3" tabindex="-1"></a><span class="kw">WHERE</span> (Subjects <span class="kw">LIKE</span> <span class="st">'%computer%'</span>) <span class="kw">AND</span> (Citation_Count <span class="op">&gt;</span> <span class="dv">8</span>);</span></code></pre>
 </div>
 </div>
 </div>
@@ -1103,22 +1103,22 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, Authors</span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> ISSNs <span class="op">=</span> <span class="st">'2067-2764|2247-6202'</span></span>
-<span id="cb1-4"><a href="#cb1-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> First_Author <span class="kw">ASC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, Authors</span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="kw">WHERE</span> ISSNs <span class="op">=</span> <span class="st">'2067-2764|2247-6202'</span></span>
+<span id="cb1-4"><a href="#cb1-4" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> First_Author <span class="kw">ASC</span>;</span></code></pre>
 </div>
 <p>What is interesting to note about this query is that we don’t
 necessarily have to display the <code>First_Author</code> column in our
 results in order to sort by it.</p>
 <p>We can do this because sorting occurs earlier in the computational
 pipeline than field selection.</p>
-<div id="the-computer-is-basically-doing-this" class="callout callout">
+<div id="callout1" class="callout">
 <div class="callout-square">
 <i class="callout-icon" data-feather="bell"></i>
 </div>
-<div id="the-computer-is-basically-doing-this" class="callout-inner">
-<h3 class="callout-title">The computer is basically doing this:<a class="anchor" aria-label="anchor" href="#the-computer-is-basically-doing-this"></a>
+<div class="section level3 callout-title callout-inner">
+<h3 class="callout-title" id="the-computer-is-basically-doing-this">The computer is basically doing this:<a class="anchor" aria-label="anchor" href="#the-computer-is-basically-doing-this"></a>
 </h3>
 <div class="callout-content">
 <ol style="list-style-type: decimal">
@@ -1146,9 +1146,9 @@ <h3 class="callout-title">The computer is basically doing this:<a class="anchor"
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> (ISSNs <span class="op">=</span> <span class="st">'2076-0787'</span>) <span class="kw">OR</span> (ISSNs <span class="op">=</span> <span class="st">'2077-1444'</span>) <span class="kw">OR</span> (ISSNs <span class="op">=</span> <span class="st">'2067-2764|2247-6202'</span>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb2-3"><a href="#cb2-3" tabindex="-1"></a><span class="kw">WHERE</span> (ISSNs <span class="op">=</span> <span class="st">'2076-0787'</span>) <span class="kw">OR</span> (ISSNs <span class="op">=</span> <span class="st">'2077-1444'</span>) <span class="kw">OR</span> (ISSNs <span class="op">=</span> <span class="st">'2067-2764|2247-6202'</span>);</span></code></pre>
 </div>
 <p>SQL offers the flexibility of iteratively adding new conditions but
 you may reach a point where the query is difficult to read and
@@ -1157,9 +1157,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb3-3"><a href="#cb3-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> (ISSNs <span class="kw">IN</span> (<span class="st">'2076-0787'</span>, <span class="st">'2077-1444'</span>, <span class="st">'2067-2764|2247-6202'</span>));</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb3-3"><a href="#cb3-3" tabindex="-1"></a><span class="kw">WHERE</span> (ISSNs <span class="kw">IN</span> (<span class="st">'2076-0787'</span>, <span class="st">'2077-1444'</span>, <span class="st">'2067-2764|2247-6202'</span>));</span></code></pre>
 </div>
 <p>We started with something simple, then added more clauses one by one,
 testing their effects as we went along. For complex queries, this is a
@@ -1179,23 +1179,23 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="co">/*In this section, even though JOINS (see link below this code block)</span></span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="co">are not introduced until Episode 6, we want to give an example how to</span></span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="co">join multiple tables because they represent a good example of using</span></span>
-<span id="cb4-4"><a href="#cb4-4" aria-hidden="true" tabindex="-1"></a><span class="co">comments in SQL to explain more complex queries.*/</span></span>
-<span id="cb4-5"><a href="#cb4-5" aria-hidden="true" tabindex="-1"></a></span>
-<span id="cb4-6"><a href="#cb4-6" aria-hidden="true" tabindex="-1"></a><span class="co">-- First we mention all the fields we want to display</span></span>
-<span id="cb4-7"><a href="#cb4-7" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher</span>
-<span id="cb4-8"><a href="#cb4-8" aria-hidden="true" tabindex="-1"></a><span class="co">-- from the first table</span></span>
-<span id="cb4-9"><a href="#cb4-9" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb4-10"><a href="#cb4-10" aria-hidden="true" tabindex="-1"></a><span class="co">-- and join it with the second table.</span></span>
-<span id="cb4-11"><a href="#cb4-11" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb4-12"><a href="#cb4-12" aria-hidden="true" tabindex="-1"></a><span class="co">-- The related attributes are:</span></span>
-<span id="cb4-13"><a href="#cb4-13" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb4-14"><a href="#cb4-14" aria-hidden="true" tabindex="-1"></a><span class="co">-- We want to join a third table,</span></span>
-<span id="cb4-15"><a href="#cb4-15" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
-<span id="cb4-16"><a href="#cb4-16" aria-hidden="true" tabindex="-1"></a><span class="co">-- the related attributes are:</span></span>
-<span id="cb4-17"><a href="#cb4-17" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="co">/*In this section, even though JOINS (see link below this code block)</span></span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="co">are not introduced until Episode 6, we want to give an example how to</span></span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="co">join multiple tables because they represent a good example of using</span></span>
+<span id="cb4-4"><a href="#cb4-4" tabindex="-1"></a><span class="co">comments in SQL to explain more complex queries.*/</span></span>
+<span id="cb4-5"><a href="#cb4-5" tabindex="-1"></a></span>
+<span id="cb4-6"><a href="#cb4-6" tabindex="-1"></a><span class="co">-- First we mention all the fields we want to display</span></span>
+<span id="cb4-7"><a href="#cb4-7" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher</span>
+<span id="cb4-8"><a href="#cb4-8" tabindex="-1"></a><span class="co">-- from the first table</span></span>
+<span id="cb4-9"><a href="#cb4-9" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb4-10"><a href="#cb4-10" tabindex="-1"></a><span class="co">-- and join it with the second table.</span></span>
+<span id="cb4-11"><a href="#cb4-11" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb4-12"><a href="#cb4-12" tabindex="-1"></a><span class="co">-- The related attributes are:</span></span>
+<span id="cb4-13"><a href="#cb4-13" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb4-14"><a href="#cb4-14" tabindex="-1"></a><span class="co">-- We want to join a third table,</span></span>
+<span id="cb4-15"><a href="#cb4-15" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
+<span id="cb4-16"><a href="#cb4-16" tabindex="-1"></a><span class="co">-- the related attributes are:</span></span>
+<span id="cb4-17"><a href="#cb4-17" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
 </div>
 <p>To see the introduction and explanation of JOINS, please click to <a href="06-joins-aliases.html">Episode 6</a>. {: .sql}</p>
 <div id="keypoints1" class="callout keypoints">
@@ -1268,9 +1268,9 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">AVG</span>(Citation_Count)</span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">AVG</span>(Citation_Count)</span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs;</span></code></pre>
 </div>
 <p><code>GROUP BY</code> is used by SQL to arrange identical data into
 groups. In this case, we are arranging all the citation counts by ISSNs.
@@ -1284,10 +1284,10 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">AVG</span>(Citation_Count)</span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs </span>
-<span id="cb2-4"><a href="#cb2-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">AVG</span>(Citation_Count) <span class="kw">DESC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">AVG</span>(Citation_Count)</span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb2-3"><a href="#cb2-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs </span>
+<span id="cb2-4"><a href="#cb2-4" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">AVG</span>(Citation_Count) <span class="kw">DESC</span>;</span></code></pre>
 </div>
 <div id="challenge" class="callout challenge">
 <div class="callout-square">
@@ -1310,15 +1310,15 @@ <h3 class="callout-title">Challenge<a class="anchor" aria-label="anchor" href="#
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">COUNT</span>(Title)</span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb3-3"><a href="#cb3-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs</span>
-<span id="cb3-4"><a href="#cb3-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">COUNT</span>(Title) <span class="kw">DESC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">COUNT</span>(Title)</span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb3-3"><a href="#cb3-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs</span>
+<span id="cb3-4"><a href="#cb3-4" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">COUNT</span>(Title) <span class="kw">DESC</span>;</span></code></pre>
 </div>
 </div>
 </div>
@@ -1335,10 +1335,10 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs</span>
-<span id="cb4-4"><a href="#cb4-4" aria-hidden="true" tabindex="-1"></a><span class="kw">HAVING</span> <span class="fu">count</span>(Title) <span class="op">&gt;=</span> <span class="dv">10</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs</span>
+<span id="cb4-4"><a href="#cb4-4" tabindex="-1"></a><span class="kw">HAVING</span> <span class="fu">count</span>(Title) <span class="op">&gt;=</span> <span class="dv">10</span>;</span></code></pre>
 </div>
 <p>The <code>HAVING</code> keyword works exactly like the
 <code>WHERE</code> keyword, but uses aggregate functions instead of
@@ -1370,15 +1370,15 @@ <h3 class="callout-title">Challenge<a class="anchor" aria-label="anchor" href="#
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">AVG</span>(Citation_Count)</span>
-<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb5-3"><a href="#cb5-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs</span>
-<span id="cb5-4"><a href="#cb5-4" aria-hidden="true" tabindex="-1"></a><span class="kw">HAVING</span> <span class="fu">AVG</span>(Citation_Count)<span class="op">&gt;=</span><span class="dv">5</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">AVG</span>(Citation_Count)</span>
+<span id="cb5-2"><a href="#cb5-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb5-3"><a href="#cb5-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs</span>
+<span id="cb5-4"><a href="#cb5-4" tabindex="-1"></a><span class="kw">HAVING</span> <span class="fu">AVG</span>(Citation_Count)<span class="op">&gt;=</span><span class="dv">5</span>;</span></code></pre>
 </div>
 </div>
 </div>
@@ -1395,9 +1395,9 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb6">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, ISSNs, Author_Count <span class="op">-</span><span class="dv">1</span> <span class="kw">as</span> CoAuthor_Count</span>
-<span id="cb6-2"><a href="#cb6-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb6-3"><a href="#cb6-3" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> Author_Count <span class="op">-</span><span class="dv">1</span> <span class="kw">DESC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, ISSNs, Author_Count <span class="op">-</span><span class="dv">1</span> <span class="kw">as</span> CoAuthor_Count</span>
+<span id="cb6-2"><a href="#cb6-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb6-3"><a href="#cb6-3" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> Author_Count <span class="op">-</span><span class="dv">1</span> <span class="kw">DESC</span>;</span></code></pre>
 </div>
 <p>In section <a href="06-joins-aliases.html">6. Joins and aliases</a>
 we are going to learn more about the SQL keyword <code>AS</code> and how
@@ -1477,10 +1477,10 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb1-4"><a href="#cb1-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb1-4"><a href="#cb1-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs;</span></code></pre>
 </div>
 <p><code>ON</code> is similar to <code>WHERE</code>, it filters things
 out according to a test condition. We use the <code>table.colname</code>
@@ -1495,10 +1495,10 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb2-4"><a href="#cb2-4" aria-hidden="true" tabindex="-1"></a><span class="kw">USING</span> (ISSNs);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb2-3"><a href="#cb2-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb2-4"><a href="#cb2-4" tabindex="-1"></a><span class="kw">USING</span> (ISSNs);</span></code></pre>
 </div>
 <p>This figure shows the relations between the tables and helps to
 visualise joining or linking the tables in the database: <img src="../fig/articles-erd-v02.png" alt="Articles Database" class="figure"> We will cover
@@ -1513,10 +1513,10 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> articles.ISSNs, journals.Journal_Title, articles.Title, articles.First_Author, articles.<span class="dt">Month</span>, articles.<span class="dt">Year</span></span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb3-3"><a href="#cb3-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb3-4"><a href="#cb3-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">SELECT</span> articles.ISSNs, journals.Journal_Title, articles.Title, articles.First_Author, articles.<span class="dt">Month</span>, articles.<span class="dt">Year</span></span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb3-3"><a href="#cb3-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb3-4"><a href="#cb3-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs;</span></code></pre>
 </div>
 <p>Joins can be combined with sorting, filtering, and aggregation. So,
 if we wanted the average number of authors for articles on each journal,
@@ -1524,11 +1524,11 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> articles.ISSNs, journals.Journal_Title, <span class="fu">ROUND</span>(<span class="fu">AVG</span>(articles.Author_Count), <span class="dv">2</span>)</span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb4-4"><a href="#cb4-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb4-5"><a href="#cb4-5" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> articles.ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">SELECT</span> articles.ISSNs, journals.Journal_Title, <span class="fu">ROUND</span>(<span class="fu">AVG</span>(articles.Author_Count), <span class="dv">2</span>)</span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb4-4"><a href="#cb4-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb4-5"><a href="#cb4-5" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> articles.ISSNs;</span></code></pre>
 </div>
 <p>The <code>ROUND</code> function allows us to round the
 <code>Author_Count</code> number returned by the <code>AVG</code>
@@ -1553,16 +1553,16 @@ <h3 class="callout-title">Challenge<a class="anchor" aria-label="anchor" href="#
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> journals.Journal_Title, <span class="fu">count</span>(<span class="op">*</span>), <span class="fu">avg</span>(articles.Citation_Count)</span>
-<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb5-3"><a href="#cb5-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb5-4"><a href="#cb5-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb5-5"><a href="#cb5-5" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> articles.ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a><span class="kw">SELECT</span> journals.Journal_Title, <span class="fu">count</span>(<span class="op">*</span>), <span class="fu">avg</span>(articles.Citation_Count)</span>
+<span id="cb5-2"><a href="#cb5-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb5-3"><a href="#cb5-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb5-4"><a href="#cb5-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb5-5"><a href="#cb5-5" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> articles.ISSNs;</span></code></pre>
 </div>
 </div>
 </div>
@@ -1572,12 +1572,12 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb6">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher</span>
-<span id="cb6-2"><a href="#cb6-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb6-3"><a href="#cb6-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb6-4"><a href="#cb6-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb6-5"><a href="#cb6-5" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
-<span id="cb6-6"><a href="#cb6-6" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher</span>
+<span id="cb6-2"><a href="#cb6-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb6-3"><a href="#cb6-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb6-4"><a href="#cb6-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb6-5"><a href="#cb6-5" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
+<span id="cb6-6"><a href="#cb6-6" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
 </div>
 <div id="challenge-1" class="callout challenge">
 <div class="callout-square">
@@ -1598,19 +1598,19 @@ <h3 class="callout-title">Challenge<a class="anchor" aria-label="anchor" href="#
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb7">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> journals.Journal_Title, publishers.Publisher, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
-<span id="cb7-2"><a href="#cb7-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb7-3"><a href="#cb7-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb7-4"><a href="#cb7-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb7-5"><a href="#cb7-5" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
-<span id="cb7-6"><a href="#cb7-6" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId</span>
-<span id="cb7-7"><a href="#cb7-7" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Journal_Title</span>
-<span id="cb7-8"><a href="#cb7-8" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">COUNT</span>(<span class="op">*</span>) <span class="kw">DESC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" tabindex="-1"></a><span class="kw">SELECT</span> journals.Journal_Title, publishers.Publisher, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
+<span id="cb7-2"><a href="#cb7-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb7-3"><a href="#cb7-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb7-4"><a href="#cb7-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb7-5"><a href="#cb7-5" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
+<span id="cb7-6"><a href="#cb7-6" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId</span>
+<span id="cb7-7"><a href="#cb7-7" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Journal_Title</span>
+<span id="cb7-8"><a href="#cb7-8" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">COUNT</span>(<span class="op">*</span>) <span class="kw">DESC</span>;</span></code></pre>
 </div>
 </div>
 </div>
@@ -1629,26 +1629,26 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb8">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ar.Title, ar.First_Author, jo.Journal_Title</span>
-<span id="cb8-2"><a href="#cb8-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles <span class="kw">AS</span> ar</span>
-<span id="cb8-3"><a href="#cb8-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals  <span class="kw">AS</span> jo</span>
-<span id="cb8-4"><a href="#cb8-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> ar.ISSNs <span class="op">=</span> jo.ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" tabindex="-1"></a><span class="kw">SELECT</span> ar.Title, ar.First_Author, jo.Journal_Title</span>
+<span id="cb8-2"><a href="#cb8-2" tabindex="-1"></a><span class="kw">FROM</span> articles <span class="kw">AS</span> ar</span>
+<span id="cb8-3"><a href="#cb8-3" tabindex="-1"></a><span class="kw">JOIN</span> journals  <span class="kw">AS</span> jo</span>
+<span id="cb8-4"><a href="#cb8-4" tabindex="-1"></a><span class="kw">ON</span> ar.ISSNs <span class="op">=</span> jo.ISSNs;</span></code></pre>
 </div>
 <p>And column names:</p>
 <div class="codewrapper sourceCode" id="cb9">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb9-1"><a href="#cb9-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ar.title <span class="kw">AS</span> title, ar.first_author <span class="kw">AS</span> author, jo.journal_title <span class="kw">AS</span> journal</span>
-<span id="cb9-2"><a href="#cb9-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles <span class="kw">AS</span> ar</span>
-<span id="cb9-3"><a href="#cb9-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals  <span class="kw">AS</span> jo</span>
-<span id="cb9-4"><a href="#cb9-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> ar.issns <span class="op">=</span> jo.issns;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb9-1"><a href="#cb9-1" tabindex="-1"></a><span class="kw">SELECT</span> ar.title <span class="kw">AS</span> title, ar.first_author <span class="kw">AS</span> author, jo.journal_title <span class="kw">AS</span> journal</span>
+<span id="cb9-2"><a href="#cb9-2" tabindex="-1"></a><span class="kw">FROM</span> articles <span class="kw">AS</span> ar</span>
+<span id="cb9-3"><a href="#cb9-3" tabindex="-1"></a><span class="kw">JOIN</span> journals  <span class="kw">AS</span> jo</span>
+<span id="cb9-4"><a href="#cb9-4" tabindex="-1"></a><span class="kw">ON</span> ar.issns <span class="op">=</span> jo.issns;</span></code></pre>
 </div>
 <p>The <code>AS</code> isn’t technically required, so you could do:</p>
 <div class="codewrapper sourceCode" id="cb10">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb10-1"><a href="#cb10-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> a.Title t</span>
-<span id="cb10-2"><a href="#cb10-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles a;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb10-1"><a href="#cb10-1" tabindex="-1"></a><span class="kw">SELECT</span> a.Title t</span>
+<span id="cb10-2"><a href="#cb10-2" tabindex="-1"></a><span class="kw">FROM</span> articles a;</span></code></pre>
 </div>
 <p>But using <code>AS</code> is much clearer so it is good style to
 include it.</p>
@@ -1721,25 +1721,25 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">VIEW</span> journal_counts <span class="kw">AS</span></span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
-<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb1-4"><a href="#cb1-4" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">VIEW</span> journal_counts <span class="kw">AS</span></span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">SELECT</span> ISSNs, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
+<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb1-4"><a href="#cb1-4" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> ISSNs;</span></code></pre>
 </div>
 <p>Now, we will be able to access these results with a much shorter
 notation:</p>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> journal_counts;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span></span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> journal_counts;</span></code></pre>
 </div>
 <p>Assuming we do not need this view anymore, we can remove it from the
 database.</p>
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">DROP</span> <span class="kw">VIEW</span> journal_counts;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">DROP</span> <span class="kw">VIEW</span> journal_counts;</span></code></pre>
 </div>
 <p>In DBBrowser for SQLite, you can also create a view from any query by
 omitting the <code>CREATE VIEW viewname AS</code> statement and instead,
@@ -1768,18 +1768,18 @@ <h3 class="callout-title">Challenge<a class="anchor" aria-label="anchor" href="#
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">VIEW</span> journal_counts <span class="kw">AS</span></span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> journals.Journal_Title, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb4-4"><a href="#cb4-4" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb4-5"><a href="#cb4-5" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb4-6"><a href="#cb4-6" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Journal_Title</span>
-<span id="cb4-7"><a href="#cb4-7" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">COUNT</span>(<span class="op">*</span>) <span class="kw">DESC</span></span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">VIEW</span> journal_counts <span class="kw">AS</span></span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">SELECT</span> journals.Journal_Title, <span class="fu">COUNT</span>(<span class="op">*</span>)</span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb4-4"><a href="#cb4-4" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb4-5"><a href="#cb4-5" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb4-6"><a href="#cb4-6" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Journal_Title</span>
+<span id="cb4-7"><a href="#cb4-7" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> <span class="fu">COUNT</span>(<span class="op">*</span>) <span class="kw">DESC</span></span></code></pre>
 </div>
 </div>
 </div>
@@ -2106,13 +2106,13 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">TABLE</span> journals(<span class="kw">id</span> text, ISSN<span class="op">-</span>L text, ISSNs text, PublisherId text, Journal_Title text);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">TABLE</span> journals(<span class="kw">id</span> text, ISSN<span class="op">-</span>L text, ISSNs text, PublisherId text, Journal_Title text);</span></code></pre>
 </div>
 <p>We can get rid of one of our tables using:</p>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">DROP</span> <span class="kw">TABLE</span> journals;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">DROP</span> <span class="kw">TABLE</span> journals;</span></code></pre>
 </div>
 <p>Be very careful when doing this: if you drop the wrong table, hope
 that the person maintaining the database has a backup, but it’s better
@@ -2125,14 +2125,14 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">TABLE</span> <span class="ot">"journals"</span> (</span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a>	<span class="ot">"id"</span>	<span class="dt">INTEGER</span> <span class="kw">NOT</span> <span class="kw">NULL</span> <span class="kw">PRIMARY</span> <span class="kw">KEY</span> AUTOINCREMENT,</span>
-<span id="cb3-3"><a href="#cb3-3" aria-hidden="true" tabindex="-1"></a>	<span class="ot">"ISSN-L"</span>	TEXT,</span>
-<span id="cb3-4"><a href="#cb3-4" aria-hidden="true" tabindex="-1"></a>	<span class="ot">"ISSNs"</span>	TEXT,</span>
-<span id="cb3-5"><a href="#cb3-5" aria-hidden="true" tabindex="-1"></a>	<span class="ot">"PublisherId"</span>	<span class="dt">INTEGER</span>,</span>
-<span id="cb3-6"><a href="#cb3-6" aria-hidden="true" tabindex="-1"></a>	<span class="ot">"Journal_Title"</span>	TEXT,</span>
-<span id="cb3-7"><a href="#cb3-7" aria-hidden="true" tabindex="-1"></a>	<span class="kw">CONSTRAINT</span> <span class="ot">"PublisherId"</span> <span class="kw">FOREIGN</span> <span class="kw">KEY</span>(<span class="ot">"PublisherId"</span>) <span class="kw">REFERENCES</span> <span class="ot">"publishers"</span>(<span class="ot">"id"</span>) </span>
-<span id="cb3-8"><a href="#cb3-8" aria-hidden="true" tabindex="-1"></a>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">TABLE</span> <span class="ot">"journals"</span> (</span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a>	<span class="ot">"id"</span>	<span class="dt">INTEGER</span> <span class="kw">NOT</span> <span class="kw">NULL</span> <span class="kw">PRIMARY</span> <span class="kw">KEY</span> AUTOINCREMENT,</span>
+<span id="cb3-3"><a href="#cb3-3" tabindex="-1"></a>	<span class="ot">"ISSN-L"</span>	TEXT,</span>
+<span id="cb3-4"><a href="#cb3-4" tabindex="-1"></a>	<span class="ot">"ISSNs"</span>	TEXT,</span>
+<span id="cb3-5"><a href="#cb3-5" tabindex="-1"></a>	<span class="ot">"PublisherId"</span>	<span class="dt">INTEGER</span>,</span>
+<span id="cb3-6"><a href="#cb3-6" tabindex="-1"></a>	<span class="ot">"Journal_Title"</span>	TEXT,</span>
+<span id="cb3-7"><a href="#cb3-7" tabindex="-1"></a>	<span class="kw">CONSTRAINT</span> <span class="ot">"PublisherId"</span> <span class="kw">FOREIGN</span> <span class="kw">KEY</span>(<span class="ot">"PublisherId"</span>) <span class="kw">REFERENCES</span> <span class="ot">"publishers"</span>(<span class="ot">"id"</span>) </span>
+<span id="cb3-8"><a href="#cb3-8" tabindex="-1"></a>);</span></code></pre>
 </div>
 <p>Once again, exactly what constraints are available and what they’re
 called depends on which database manager we are using.</p>
@@ -2144,16 +2144,16 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">1</span>,<span class="st">'2077-0472'</span>,<span class="st">'2077-0472'</span>,<span class="dv">2</span>,<span class="st">'Agriculture'</span>);</span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">2</span>,<span class="st">'2073-4395'</span>,<span class="st">'2073-4395'</span>,<span class="dv">2</span>,<span class="st">'Agronomy'</span>);</span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">3</span>,<span class="st">'2076-2616'</span>,<span class="st">'2076-2616'</span>,<span class="dv">2</span>,<span class="st">'Animals'</span>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">1</span>,<span class="st">'2077-0472'</span>,<span class="st">'2077-0472'</span>,<span class="dv">2</span>,<span class="st">'Agriculture'</span>);</span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">2</span>,<span class="st">'2073-4395'</span>,<span class="st">'2073-4395'</span>,<span class="dv">2</span>,<span class="st">'Agronomy'</span>);</span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">3</span>,<span class="st">'2076-2616'</span>,<span class="st">'2076-2616'</span>,<span class="dv">2</span>,<span class="st">'Animals'</span>);</span></code></pre>
 </div>
 <p>We can also insert values into one table directly from another:</p>
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">TABLE</span> <span class="ot">"myjournals"</span>(Journal_Title text, ISSNs text);</span>
-<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"myjournals"</span> <span class="kw">SELECT</span> Journal_Title, ISSNs <span class="kw">FROM</span> journals;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">TABLE</span> <span class="ot">"myjournals"</span>(Journal_Title text, ISSNs text);</span>
+<span id="cb5-2"><a href="#cb5-2" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"myjournals"</span> <span class="kw">SELECT</span> Journal_Title, ISSNs <span class="kw">FROM</span> journals;</span></code></pre>
 </div>
 <p>Modifying existing records is done using the <code>UPDATE</code>
 statement. To do this we tell the database which table we want to
@@ -2165,7 +2165,7 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb6">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" aria-hidden="true" tabindex="-1"></a><span class="kw">UPDATE</span> journals <span class="kw">SET</span> ISSN<span class="op">-</span>L <span class="op">=</span> <span class="dv">2076</span><span class="op">-</span><span class="dv">2615</span>, ISSNs <span class="op">=</span> <span class="dv">2076</span><span class="op">-</span><span class="dv">2615</span> <span class="kw">WHERE</span> <span class="kw">id</span> <span class="op">=</span> <span class="dv">3</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" tabindex="-1"></a><span class="kw">UPDATE</span> journals <span class="kw">SET</span> ISSN<span class="op">-</span>L <span class="op">=</span> <span class="dv">2076</span><span class="op">-</span><span class="dv">2615</span>, ISSNs <span class="op">=</span> <span class="dv">2076</span><span class="op">-</span><span class="dv">2615</span> <span class="kw">WHERE</span> <span class="kw">id</span> <span class="op">=</span> <span class="dv">3</span>;</span></code></pre>
 </div>
 <p>Be careful to not forget the <code>WHERE</code> clause or the update
 statement will modify <em>all</em> of the records in the database.</p>
@@ -2178,7 +2178,7 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 <div class="codewrapper sourceCode" id="cb7">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" aria-hidden="true" tabindex="-1"></a><span class="kw">DELETE</span> <span class="kw">FROM</span> journals <span class="kw">WHERE</span> Journal_Title <span class="op">=</span> <span class="st">'Animals'</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" tabindex="-1"></a><span class="kw">DELETE</span> <span class="kw">FROM</span> journals <span class="kw">WHERE</span> Journal_Title <span class="op">=</span> <span class="st">'Animals'</span>;</span></code></pre>
 </div>
 <p>But now the article
 <code>Early Onset of Laying and Bumblefoot Favor Keel Bone Fractures</code>
@@ -2206,13 +2206,13 @@ <h3 class="callout-title">Exercise<a class="anchor" aria-label="anchor" href="#e
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb8">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" aria-hidden="true" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"publishers"</span> <span class="kw">VALUES</span> (<span class="dv">7</span>,<span class="st">'Institute of Physics (IOP)'</span>);</span>
-<span id="cb8-2"><a href="#cb8-2" aria-hidden="true" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">52</span>,<span class="st">'1367-2630'</span>,<span class="st">'1367-2630'</span>,<span class="dv">7</span>,<span class="st">'New Journal of Physics'</span>);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"publishers"</span> <span class="kw">VALUES</span> (<span class="dv">7</span>,<span class="st">'Institute of Physics (IOP)'</span>);</span>
+<span id="cb8-2"><a href="#cb8-2" tabindex="-1"></a><span class="kw">INSERT</span> <span class="kw">INTO</span> <span class="ot">"journals"</span> <span class="kw">VALUES</span> (<span class="dv">52</span>,<span class="st">'1367-2630'</span>,<span class="st">'1367-2630'</span>,<span class="dv">7</span>,<span class="st">'New Journal of Physics'</span>);</span></code></pre>
 </div>
 </div>
 </div>
@@ -2242,7 +2242,7 @@ <h3 class="callout-title">Backing Up with SQL<a class="anchor" aria-label="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <div class="section level4">
 <h4 id="advantages">Advantages<a class="anchor" aria-label="anchor" href="#advantages"></a>
@@ -2426,15 +2426,15 @@ <h3 class="callout-title">Challenge 1<a class="anchor" aria-label="anchor" href=
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Solution 1</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> First_Author, <span class="fu">COUNT</span>( <span class="op">*</span> ) <span class="kw">AS</span> n_articles</span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> First_Author</span>
-<span id="cb1-4"><a href="#cb1-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> n_articles <span class="kw">DESC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> First_Author, <span class="fu">COUNT</span>( <span class="op">*</span> ) <span class="kw">AS</span> n_articles</span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> First_Author</span>
+<span id="cb1-4"><a href="#cb1-4" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> n_articles <span class="kw">DESC</span>;</span></code></pre>
 </div>
 </div>
 </div>
@@ -2458,14 +2458,14 @@ <h3 class="callout-title">Challenge 2<a class="anchor" aria-label="anchor" href=
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Solution 2</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Author_Count, <span class="fu">COUNT</span>( <span class="op">*</span> )</span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Author_Count;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> Author_Count, <span class="fu">COUNT</span>( <span class="op">*</span> )</span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb2-3"><a href="#cb2-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Author_Count;</span></code></pre>
 </div>
 </div>
 </div>
@@ -2489,17 +2489,17 @@ <h3 class="callout-title">Challenge 3<a class="anchor" aria-label="anchor" href=
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Solution 3</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Language, <span class="fu">COUNT</span>( <span class="op">*</span> )</span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb3-3"><a href="#cb3-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> languages</span>
-<span id="cb3-4"><a href="#cb3-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.LanguageId<span class="op">=</span>languages.<span class="kw">id</span></span>
-<span id="cb3-5"><a href="#cb3-5" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> Language <span class="op">!=</span> <span class="st">''</span></span>
-<span id="cb3-6"><a href="#cb3-6" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Language;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">SELECT</span> Language, <span class="fu">COUNT</span>( <span class="op">*</span> )</span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb3-3"><a href="#cb3-3" tabindex="-1"></a><span class="kw">JOIN</span> languages</span>
+<span id="cb3-4"><a href="#cb3-4" tabindex="-1"></a><span class="kw">ON</span> articles.LanguageId<span class="op">=</span>languages.<span class="kw">id</span></span>
+<span id="cb3-5"><a href="#cb3-5" tabindex="-1"></a><span class="kw">WHERE</span> Language <span class="op">!=</span> <span class="st">''</span></span>
+<span id="cb3-6"><a href="#cb3-6" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Language;</span></code></pre>
 </div>
 </div>
 </div>
@@ -2524,17 +2524,17 @@ <h3 class="callout-title">Challenge 4<a class="anchor" aria-label="anchor" href=
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Solution 4</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Licence, <span class="fu">AVG</span>( Citation_Count ), <span class="fu">COUNT</span>( <span class="op">*</span> )</span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> licences</span>
-<span id="cb4-4"><a href="#cb4-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.LicenceId<span class="op">=</span>licences.<span class="kw">id</span></span>
-<span id="cb4-5"><a href="#cb4-5" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> Licence <span class="op">!=</span> <span class="st">''</span></span>
-<span id="cb4-6"><a href="#cb4-6" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Licence;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">SELECT</span> Licence, <span class="fu">AVG</span>( Citation_Count ), <span class="fu">COUNT</span>( <span class="op">*</span> )</span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="kw">JOIN</span> licences</span>
+<span id="cb4-4"><a href="#cb4-4" tabindex="-1"></a><span class="kw">ON</span> articles.LicenceId<span class="op">=</span>licences.<span class="kw">id</span></span>
+<span id="cb4-5"><a href="#cb4-5" tabindex="-1"></a><span class="kw">WHERE</span> Licence <span class="op">!=</span> <span class="st">''</span></span>
+<span id="cb4-6"><a href="#cb4-6" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> Licence;</span></code></pre>
 </div>
 </div>
 </div>
@@ -2559,17 +2559,17 @@ <h3 class="callout-title">Challenge 5<a class="anchor" aria-label="anchor" href=
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Solution 5</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> Title, First_Author, Author_Count, Citation_Count, <span class="dt">Month</span>, <span class="dt">Year</span>, Journal_Title, Publisher</span>
-<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb5-3"><a href="#cb5-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb5-4"><a href="#cb5-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.issns<span class="op">=</span>journals.ISSNs</span>
-<span id="cb5-5"><a href="#cb5-5" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
-<span id="cb5-6"><a href="#cb5-6" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span><span class="op">=</span>journals.PublisherId;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a><span class="kw">SELECT</span> Title, First_Author, Author_Count, Citation_Count, <span class="dt">Month</span>, <span class="dt">Year</span>, Journal_Title, Publisher</span>
+<span id="cb5-2"><a href="#cb5-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb5-3"><a href="#cb5-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb5-4"><a href="#cb5-4" tabindex="-1"></a><span class="kw">ON</span> articles.issns<span class="op">=</span>journals.ISSNs</span>
+<span id="cb5-5"><a href="#cb5-5" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
+<span id="cb5-6"><a href="#cb5-6" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span><span class="op">=</span>journals.PublisherId;</span></code></pre>
 </div>
 </div>
 </div>
@@ -2663,18 +2663,18 @@ <h3 class="card-title">Objectives</h3>
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher <span class="kw">FROM</span> articles <span class="kw">JOIN</span> journals <span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs <span class="kw">JOIN</span> publishers <span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher <span class="kw">FROM</span> articles <span class="kw">JOIN</span> journals <span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs <span class="kw">JOIN</span> publishers <span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
 </div>
 <p>Into something that looks like this:</p>
 <div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher</span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
-<span id="cb2-3"><a href="#cb2-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
-<span id="cb2-4"><a href="#cb2-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
-<span id="cb2-5"><a href="#cb2-5" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
-<span id="cb2-6"><a href="#cb2-6" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> articles.Title, articles.First_Author, journals.Journal_Title, publishers.Publisher</span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> articles</span>
+<span id="cb2-3"><a href="#cb2-3" tabindex="-1"></a><span class="kw">JOIN</span> journals</span>
+<span id="cb2-4"><a href="#cb2-4" tabindex="-1"></a><span class="kw">ON</span> articles.ISSNs <span class="op">=</span> journals.ISSNs</span>
+<span id="cb2-5"><a href="#cb2-5" tabindex="-1"></a><span class="kw">JOIN</span> publishers</span>
+<span id="cb2-6"><a href="#cb2-6" tabindex="-1"></a><span class="kw">ON</span> publishers.<span class="kw">id</span> <span class="op">=</span> journals.PublisherId;</span></code></pre>
 </div>
 <p>In some programs (such as MySQL), there will be tools that can
 automatically “beautify” your code for better readability.</p>
@@ -2741,8 +2741,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://librarycarpentry.github.io/lc-sql/instructor/aio.html",
   "identifier": "https://librarycarpentry.github.io/lc-sql/instructor/aio.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-02-27",
-  "datePublished": "2024-02-27"
+  "dateModified": "2024-03-05",
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/instructor/discuss.html b/instructor/discuss.html
index 6af1dc4d..aa3c5d2c 100644
--- a/instructor/discuss.html
+++ b/instructor/discuss.html
@@ -386,7 +386,7 @@ <h1>Discussion</h1>
   "identifier": "https://librarycarpentry.github.io/lc-sql/instructor/discuss.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-09-19",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/instructor/images.html b/instructor/images.html
index f43a8097..ac56f94f 100644
--- a/instructor/images.html
+++ b/instructor/images.html
@@ -458,8 +458,8 @@ <h3 id="08-database-design-figure-4">Figure 4</h3>
   "url": "https://librarycarpentry.github.io/lc-sql/instructor/images.html",
   "identifier": "https://librarycarpentry.github.io/lc-sql/instructor/images.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-02-27",
-  "datePublished": "2024-02-27"
+  "dateModified": "2024-03-05",
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/instructor/index.html b/instructor/index.html
index 756d22b2..36f4d2cf 100644
--- a/instructor/index.html
+++ b/instructor/index.html
@@ -589,8 +589,8 @@ <h4 id="open-the-sql-file-in-sqliteonline">Open the SQL file in SqliteOnline<a c
   "url": "https://librarycarpentry.github.io/lc-sql/instructor/index.html",
   "identifier": "https://librarycarpentry.github.io/lc-sql/instructor/index.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-02-27",
-  "datePublished": "2024-02-27"
+  "dateModified": "2024-03-05",
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/instructor/instructor-notes.html b/instructor/instructor-notes.html
index 0f966b07..29e033a1 100644
--- a/instructor/instructor-notes.html
+++ b/instructor/instructor-notes.html
@@ -463,10 +463,10 @@ <h2 id="import-csv-in-sqlite">Import CSV in SQLite<a class="anchor" aria-label="
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode bash" tabindex="0"><code class="sourceCode bash"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="ex">$</span> sqlite3 output.db</span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="ex">sqlite</span><span class="op">&gt;</span> .mode csv</span>
-<span id="cb1-3"><a href="#cb1-3" aria-hidden="true" tabindex="-1"></a><span class="ex">sqlite</span><span class="op">&gt;</span> .import dataset-final-20160825-zenodo.csv</span>
-<span id="cb1-4"><a href="#cb1-4" aria-hidden="true" tabindex="-1"></a><span class="ex">sqlite</span><span class="op">&gt;</span> .schema</span></code></pre>
+<pre class="sourceCode bash" tabindex="0"><code class="sourceCode bash"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="ex">$</span> sqlite3 output.db</span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="ex">sqlite</span><span class="op">&gt;</span> .mode csv</span>
+<span id="cb1-3"><a href="#cb1-3" tabindex="-1"></a><span class="ex">sqlite</span><span class="op">&gt;</span> .import dataset-final-20160825-zenodo.csv</span>
+<span id="cb1-4"><a href="#cb1-4" tabindex="-1"></a><span class="ex">sqlite</span><span class="op">&gt;</span> .schema</span></code></pre>
 </div>
 </div>
 <div class="section level2">
@@ -542,8 +542,8 @@ <h2 id="resources">Resources<a class="anchor" aria-label="anchor" href="#resourc
   "url": "https://librarycarpentry.github.io/lc-sql/instructor/instructor-notes.html",
   "identifier": "https://librarycarpentry.github.io/lc-sql/instructor/instructor-notes.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-02-27",
-  "datePublished": "2024-02-27"
+  "dateModified": "2024-03-05",
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/instructor/key-points.html b/instructor/key-points.html
index bce6fdb2..75a44c96 100644
--- a/instructor/key-points.html
+++ b/instructor/key-points.html
@@ -497,8 +497,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://librarycarpentry.github.io/lc-sql/instructor/key-points.html",
   "identifier": "https://librarycarpentry.github.io/lc-sql/instructor/key-points.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-02-27",
-  "datePublished": "2024-02-27"
+  "dateModified": "2024-03-05",
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/instructor/profiles.html b/instructor/profiles.html
index bc20ad17..368c3e20 100644
--- a/instructor/profiles.html
+++ b/instructor/profiles.html
@@ -344,8 +344,8 @@ <h1>Learner Profiles</h1>
   "url": "https://librarycarpentry.github.io/lc-sql/instructor/profiles.html",
   "identifier": "https://librarycarpentry.github.io/lc-sql/instructor/profiles.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-02-27",
-  "datePublished": "2024-02-27"
+  "dateModified": "2024-03-05",
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/instructor/reference.html b/instructor/reference.html
index fe743915..ae284f4a 100644
--- a/instructor/reference.html
+++ b/instructor/reference.html
@@ -322,30 +322,30 @@ <h3 id="basic-query">Basic query<a class="anchor" aria-label="anchor" href="#bas
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> column_names</span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> table_name;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> column_names</span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">FROM</span> table_name;</span></code></pre>
 </div>
 <ul><li>selects only the specified columns from a table.</li>
 </ul><div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span> </span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> table_name;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span> </span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> table_name;</span></code></pre>
 </div>
 <ul><li>select all of the columns in a table.</li>
 </ul><div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="kw">DISTINCT</span> column_name </span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> table_name;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="kw">DISTINCT</span> column_name </span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a><span class="kw">FROM</span> table_name;</span></code></pre>
 </div>
 <ul><li>selects only the unique values from a table.</li>
 </ul><div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> column_names</span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> table_name</span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> column_name <span class="kw">operator</span> <span class="fu">value</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">SELECT</span> column_names</span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">FROM</span> table_name</span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="kw">WHERE</span> column_name <span class="kw">operator</span> <span class="fu">value</span>;</span></code></pre>
 </div>
 <ul><li>selects only the data that meets certain criteria.</li>
 <li>you can use operators
@@ -355,18 +355,18 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 </ul><div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> column_names</span>
-<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> table_name</span>
-<span id="cb5-3"><a href="#cb5-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> column_name <span class="kw">IN</span> (value1, value2, value3);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a><span class="kw">SELECT</span> column_names</span>
+<span id="cb5-2"><a href="#cb5-2" tabindex="-1"></a><span class="kw">FROM</span> table_name</span>
+<span id="cb5-3"><a href="#cb5-3" tabindex="-1"></a><span class="kw">WHERE</span> column_name <span class="kw">IN</span> (value1, value2, value3);</span></code></pre>
 </div>
 <ul><li>selects only the data where column_name equals to
 <code>value1</code>, <code>value2</code>, and so on.</li>
 </ul><div class="codewrapper sourceCode" id="cb6">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> column_names</span>
-<span id="cb6-2"><a href="#cb6-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> table_name</span>
-<span id="cb6-3"><a href="#cb6-3" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> column_name <span class="kw">ASC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" tabindex="-1"></a><span class="kw">SELECT</span> column_names</span>
+<span id="cb6-2"><a href="#cb6-2" tabindex="-1"></a><span class="kw">FROM</span> table_name</span>
+<span id="cb6-3"><a href="#cb6-3" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> column_name <span class="kw">ASC</span>;</span></code></pre>
 </div>
 <ul><li>selects only the specified columns from a table, sort the results by
 a column in <code>ASC</code> (ascending) or <code>DESC</code>
@@ -377,8 +377,8 @@ <h3 id="aggregation">Aggregation<a class="anchor" aria-label="anchor" href="#agg
 <div class="codewrapper sourceCode" id="cb7">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> aggregate_function(column_name)</span>
-<span id="cb7-2"><a href="#cb7-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> table_name;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" tabindex="-1"></a><span class="kw">SELECT</span> aggregate_function(column_name)</span>
+<span id="cb7-2"><a href="#cb7-2" tabindex="-1"></a><span class="kw">FROM</span> table_name;</span></code></pre>
 </div>
 <ul><li>Aggregate results by grouping records based on value and calculating
 combined values in groups.</li>
@@ -390,10 +390,10 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 </ul><div class="codewrapper sourceCode" id="cb8">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> column_name, aggregate_function(column_name)</span>
-<span id="cb8-2"><a href="#cb8-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> table_name</span>
-<span id="cb8-3"><a href="#cb8-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> column_name <span class="kw">operator</span> <span class="fu">value</span></span>
-<span id="cb8-4"><a href="#cb8-4" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> column_name;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" tabindex="-1"></a><span class="kw">SELECT</span> column_name, aggregate_function(column_name)</span>
+<span id="cb8-2"><a href="#cb8-2" tabindex="-1"></a><span class="kw">FROM</span> table_name</span>
+<span id="cb8-3"><a href="#cb8-3" tabindex="-1"></a><span class="kw">WHERE</span> column_name <span class="kw">operator</span> <span class="fu">value</span></span>
+<span id="cb8-4"><a href="#cb8-4" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> column_name;</span></code></pre>
 </div>
 <ul><li>
 <code>GROUP BY</code> tells SQL what field or fields we want to use
@@ -402,10 +402,10 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 </ul><div class="codewrapper sourceCode" id="cb9">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb9-1"><a href="#cb9-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> column_name, aggregate_function(column_name)</span>
-<span id="cb9-2"><a href="#cb9-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> table_name</span>
-<span id="cb9-3"><a href="#cb9-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> column_name</span>
-<span id="cb9-4"><a href="#cb9-4" aria-hidden="true" tabindex="-1"></a><span class="kw">HAVING</span> aggregate_function(column_name) <span class="kw">operator</span> <span class="fu">value</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb9-1"><a href="#cb9-1" tabindex="-1"></a><span class="kw">SELECT</span> column_name, aggregate_function(column_name)</span>
+<span id="cb9-2"><a href="#cb9-2" tabindex="-1"></a><span class="kw">FROM</span> table_name</span>
+<span id="cb9-3"><a href="#cb9-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> column_name</span>
+<span id="cb9-4"><a href="#cb9-4" tabindex="-1"></a><span class="kw">HAVING</span> aggregate_function(column_name) <span class="kw">operator</span> <span class="fu">value</span>;</span></code></pre>
 </div>
 <ul><li>The <code>HAVING</code> keyword works exactly like the
 <code>WHERE</code> keyword, but uses aggregate functions instead of
@@ -416,10 +416,10 @@ <h3 id="joins-and-aliases">Joins and aliases<a class="anchor" aria-label="anchor
 <div class="codewrapper sourceCode" id="cb10">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb10-1"><a href="#cb10-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> column_names</span>
-<span id="cb10-2"><a href="#cb10-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> table_name1</span>
-<span id="cb10-3"><a href="#cb10-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> table_name2 </span>
-<span id="cb10-4"><a href="#cb10-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> table_name1.column_name <span class="op">=</span> table_name2.column_name;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb10-1"><a href="#cb10-1" tabindex="-1"></a><span class="kw">SELECT</span> column_names</span>
+<span id="cb10-2"><a href="#cb10-2" tabindex="-1"></a><span class="kw">FROM</span> table_name1</span>
+<span id="cb10-3"><a href="#cb10-3" tabindex="-1"></a><span class="kw">JOIN</span> table_name2 </span>
+<span id="cb10-4"><a href="#cb10-4" tabindex="-1"></a><span class="kw">ON</span> table_name1.column_name <span class="op">=</span> table_name2.column_name;</span></code></pre>
 </div>
 <ul><li>Combine data from two tables where the values of column_name in the
 two tables are the same.</li>
@@ -428,10 +428,10 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 </ul><div class="codewrapper sourceCode" id="cb11">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb11-1"><a href="#cb11-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> alias1.column_name1, alias1.column_name2, alias2.column_name3</span>
-<span id="cb11-2"><a href="#cb11-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> table_name1 <span class="kw">AS</span> alias1</span>
-<span id="cb11-3"><a href="#cb11-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> table_name2 <span class="kw">AS</span> alias2</span>
-<span id="cb11-4"><a href="#cb11-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> alias1.column_name <span class="op">=</span> alias2.column_name;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb11-1"><a href="#cb11-1" tabindex="-1"></a><span class="kw">SELECT</span> alias1.column_name1, alias1.column_name2, alias2.column_name3</span>
+<span id="cb11-2"><a href="#cb11-2" tabindex="-1"></a><span class="kw">FROM</span> table_name1 <span class="kw">AS</span> alias1</span>
+<span id="cb11-3"><a href="#cb11-3" tabindex="-1"></a><span class="kw">JOIN</span> table_name2 <span class="kw">AS</span> alias2</span>
+<span id="cb11-4"><a href="#cb11-4" tabindex="-1"></a><span class="kw">ON</span> alias1.column_name <span class="op">=</span> alias2.column_name;</span></code></pre>
 </div>
 <ul><li>we can use aliases to assign new names to things in the query.</li>
 <li>we can use as to rename column names too. E.g.
@@ -442,9 +442,9 @@ <h3 id="saving-queries">Saving queries<a class="anchor" aria-label="anchor" href
 <div class="codewrapper sourceCode" id="cb12">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb12-1"><a href="#cb12-1" aria-hidden="true" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">VIEW</span> viewname <span class="kw">AS</span></span>
-<span id="cb12-2"><a href="#cb12-2" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> column_names</span>
-<span id="cb12-3"><a href="#cb12-3" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> table_name;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb12-1"><a href="#cb12-1" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">VIEW</span> viewname <span class="kw">AS</span></span>
+<span id="cb12-2"><a href="#cb12-2" tabindex="-1"></a><span class="kw">SELECT</span> column_names</span>
+<span id="cb12-3"><a href="#cb12-3" tabindex="-1"></a><span class="kw">FROM</span> table_name;</span></code></pre>
 </div>
 <ul><li>create a stored query or virtual table in database for repeated
 queries</li>
@@ -454,10 +454,10 @@ <h3 id="commenting">Commenting<a class="anchor" aria-label="anchor" href="#comme
 <div class="codewrapper sourceCode" id="cb13">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb13-1"><a href="#cb13-1" aria-hidden="true" tabindex="-1"></a><span class="co">-- Select all columns</span></span>
-<span id="cb13-2"><a href="#cb13-2" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span> </span>
-<span id="cb13-3"><a href="#cb13-3" aria-hidden="true" tabindex="-1"></a><span class="co">-- From the table_name</span></span>
-<span id="cb13-4"><a href="#cb13-4" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> table_name</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb13-1"><a href="#cb13-1" tabindex="-1"></a><span class="co">-- Select all columns</span></span>
+<span id="cb13-2"><a href="#cb13-2" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span> </span>
+<span id="cb13-3"><a href="#cb13-3" tabindex="-1"></a><span class="co">-- From the table_name</span></span>
+<span id="cb13-4"><a href="#cb13-4" tabindex="-1"></a><span class="kw">FROM</span> table_name</span></code></pre>
 </div>
 <ul><li>we can create comments in SQL queries to help us/others understand
 the query better</li>
@@ -532,7 +532,7 @@ <h3 id="operators">Operators<a class="anchor" aria-label="anchor" href="#operato
   "identifier": "https://librarycarpentry.github.io/lc-sql/instructor/reference.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-09-19",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/key-points.html b/key-points.html
index 1a2d09f7..7c116ff1 100644
--- a/key-points.html
+++ b/key-points.html
@@ -495,8 +495,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
   "url": "https://librarycarpentry.github.io/lc-sql/key-points.html",
   "identifier": "https://librarycarpentry.github.io/lc-sql/key-points.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-02-27",
-  "datePublished": "2024-02-27"
+  "dateModified": "2024-03-05",
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/pkgdown.yml b/pkgdown.yml
index 3ec6218a..e211b4b1 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -1,6 +1,6 @@
-pandoc: 2.19.2
+pandoc: 3.1.11
 pkgdown: 2.0.7
 pkgdown_sha: ~
 articles: {}
-last_built: 2024-02-27T00:18Z
+last_built: 2024-03-05T00:16Z
 
diff --git a/profiles.html b/profiles.html
index f3a72fd9..978d9b9b 100644
--- a/profiles.html
+++ b/profiles.html
@@ -344,8 +344,8 @@ <h1>Learner Profiles</h1>
   "url": "https://librarycarpentry.github.io/lc-sql/profiles.html",
   "identifier": "https://librarycarpentry.github.io/lc-sql/profiles.html",
   "dateCreated": "2018-04-12",
-  "dateModified": "2024-02-27",
-  "datePublished": "2024-02-27"
+  "dateModified": "2024-03-05",
+  "datePublished": "2024-03-05"
 }
 
   </script><script>
diff --git a/reference.html b/reference.html
index 9ad8dacd..f22ea2e4 100644
--- a/reference.html
+++ b/reference.html
@@ -320,30 +320,30 @@ <h3 id="basic-query">Basic query<a class="anchor" aria-label="anchor" href="#bas
 <div class="codewrapper sourceCode" id="cb1">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> column_names</span>
-<span id="cb1-2"><a href="#cb1-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> table_name;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb1-1"><a href="#cb1-1" tabindex="-1"></a><span class="kw">SELECT</span> column_names</span>
+<span id="cb1-2"><a href="#cb1-2" tabindex="-1"></a><span class="kw">FROM</span> table_name;</span></code></pre>
 </div>
 <ul><li>selects only the specified columns from a table.</li>
 </ul><div class="codewrapper sourceCode" id="cb2">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span> </span>
-<span id="cb2-2"><a href="#cb2-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> table_name;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb2-1"><a href="#cb2-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span> </span>
+<span id="cb2-2"><a href="#cb2-2" tabindex="-1"></a><span class="kw">FROM</span> table_name;</span></code></pre>
 </div>
 <ul><li>select all of the columns in a table.</li>
 </ul><div class="codewrapper sourceCode" id="cb3">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="kw">DISTINCT</span> column_name </span>
-<span id="cb3-2"><a href="#cb3-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> table_name;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb3-1"><a href="#cb3-1" tabindex="-1"></a><span class="kw">SELECT</span> <span class="kw">DISTINCT</span> column_name </span>
+<span id="cb3-2"><a href="#cb3-2" tabindex="-1"></a><span class="kw">FROM</span> table_name;</span></code></pre>
 </div>
 <ul><li>selects only the unique values from a table.</li>
 </ul><div class="codewrapper sourceCode" id="cb4">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> column_names</span>
-<span id="cb4-2"><a href="#cb4-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> table_name</span>
-<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> column_name <span class="kw">operator</span> <span class="fu">value</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb4-1"><a href="#cb4-1" tabindex="-1"></a><span class="kw">SELECT</span> column_names</span>
+<span id="cb4-2"><a href="#cb4-2" tabindex="-1"></a><span class="kw">FROM</span> table_name</span>
+<span id="cb4-3"><a href="#cb4-3" tabindex="-1"></a><span class="kw">WHERE</span> column_name <span class="kw">operator</span> <span class="fu">value</span>;</span></code></pre>
 </div>
 <ul><li>selects only the data that meets certain criteria.</li>
 <li>you can use operators
@@ -353,18 +353,18 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 </ul><div class="codewrapper sourceCode" id="cb5">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> column_names</span>
-<span id="cb5-2"><a href="#cb5-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> table_name</span>
-<span id="cb5-3"><a href="#cb5-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> column_name <span class="kw">IN</span> (value1, value2, value3);</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb5-1"><a href="#cb5-1" tabindex="-1"></a><span class="kw">SELECT</span> column_names</span>
+<span id="cb5-2"><a href="#cb5-2" tabindex="-1"></a><span class="kw">FROM</span> table_name</span>
+<span id="cb5-3"><a href="#cb5-3" tabindex="-1"></a><span class="kw">WHERE</span> column_name <span class="kw">IN</span> (value1, value2, value3);</span></code></pre>
 </div>
 <ul><li>selects only the data where column_name equals to
 <code>value1</code>, <code>value2</code>, and so on.</li>
 </ul><div class="codewrapper sourceCode" id="cb6">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> column_names</span>
-<span id="cb6-2"><a href="#cb6-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> table_name</span>
-<span id="cb6-3"><a href="#cb6-3" aria-hidden="true" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> column_name <span class="kw">ASC</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb6-1"><a href="#cb6-1" tabindex="-1"></a><span class="kw">SELECT</span> column_names</span>
+<span id="cb6-2"><a href="#cb6-2" tabindex="-1"></a><span class="kw">FROM</span> table_name</span>
+<span id="cb6-3"><a href="#cb6-3" tabindex="-1"></a><span class="kw">ORDER</span> <span class="kw">BY</span> column_name <span class="kw">ASC</span>;</span></code></pre>
 </div>
 <ul><li>selects only the specified columns from a table, sort the results by
 a column in <code>ASC</code> (ascending) or <code>DESC</code>
@@ -375,8 +375,8 @@ <h3 id="aggregation">Aggregation<a class="anchor" aria-label="anchor" href="#agg
 <div class="codewrapper sourceCode" id="cb7">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> aggregate_function(column_name)</span>
-<span id="cb7-2"><a href="#cb7-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> table_name;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb7-1"><a href="#cb7-1" tabindex="-1"></a><span class="kw">SELECT</span> aggregate_function(column_name)</span>
+<span id="cb7-2"><a href="#cb7-2" tabindex="-1"></a><span class="kw">FROM</span> table_name;</span></code></pre>
 </div>
 <ul><li>Aggregate results by grouping records based on value and calculating
 combined values in groups.</li>
@@ -388,10 +388,10 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 </ul><div class="codewrapper sourceCode" id="cb8">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> column_name, aggregate_function(column_name)</span>
-<span id="cb8-2"><a href="#cb8-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> table_name</span>
-<span id="cb8-3"><a href="#cb8-3" aria-hidden="true" tabindex="-1"></a><span class="kw">WHERE</span> column_name <span class="kw">operator</span> <span class="fu">value</span></span>
-<span id="cb8-4"><a href="#cb8-4" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> column_name;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb8-1"><a href="#cb8-1" tabindex="-1"></a><span class="kw">SELECT</span> column_name, aggregate_function(column_name)</span>
+<span id="cb8-2"><a href="#cb8-2" tabindex="-1"></a><span class="kw">FROM</span> table_name</span>
+<span id="cb8-3"><a href="#cb8-3" tabindex="-1"></a><span class="kw">WHERE</span> column_name <span class="kw">operator</span> <span class="fu">value</span></span>
+<span id="cb8-4"><a href="#cb8-4" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> column_name;</span></code></pre>
 </div>
 <ul><li>
 <code>GROUP BY</code> tells SQL what field or fields we want to use
@@ -400,10 +400,10 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 </ul><div class="codewrapper sourceCode" id="cb9">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb9-1"><a href="#cb9-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> column_name, aggregate_function(column_name)</span>
-<span id="cb9-2"><a href="#cb9-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> table_name</span>
-<span id="cb9-3"><a href="#cb9-3" aria-hidden="true" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> column_name</span>
-<span id="cb9-4"><a href="#cb9-4" aria-hidden="true" tabindex="-1"></a><span class="kw">HAVING</span> aggregate_function(column_name) <span class="kw">operator</span> <span class="fu">value</span>;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb9-1"><a href="#cb9-1" tabindex="-1"></a><span class="kw">SELECT</span> column_name, aggregate_function(column_name)</span>
+<span id="cb9-2"><a href="#cb9-2" tabindex="-1"></a><span class="kw">FROM</span> table_name</span>
+<span id="cb9-3"><a href="#cb9-3" tabindex="-1"></a><span class="kw">GROUP</span> <span class="kw">BY</span> column_name</span>
+<span id="cb9-4"><a href="#cb9-4" tabindex="-1"></a><span class="kw">HAVING</span> aggregate_function(column_name) <span class="kw">operator</span> <span class="fu">value</span>;</span></code></pre>
 </div>
 <ul><li>The <code>HAVING</code> keyword works exactly like the
 <code>WHERE</code> keyword, but uses aggregate functions instead of
@@ -414,10 +414,10 @@ <h3 id="joins-and-aliases">Joins and aliases<a class="anchor" aria-label="anchor
 <div class="codewrapper sourceCode" id="cb10">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb10-1"><a href="#cb10-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> column_names</span>
-<span id="cb10-2"><a href="#cb10-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> table_name1</span>
-<span id="cb10-3"><a href="#cb10-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> table_name2 </span>
-<span id="cb10-4"><a href="#cb10-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> table_name1.column_name <span class="op">=</span> table_name2.column_name;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb10-1"><a href="#cb10-1" tabindex="-1"></a><span class="kw">SELECT</span> column_names</span>
+<span id="cb10-2"><a href="#cb10-2" tabindex="-1"></a><span class="kw">FROM</span> table_name1</span>
+<span id="cb10-3"><a href="#cb10-3" tabindex="-1"></a><span class="kw">JOIN</span> table_name2 </span>
+<span id="cb10-4"><a href="#cb10-4" tabindex="-1"></a><span class="kw">ON</span> table_name1.column_name <span class="op">=</span> table_name2.column_name;</span></code></pre>
 </div>
 <ul><li>Combine data from two tables where the values of column_name in the
 two tables are the same.</li>
@@ -426,10 +426,10 @@ <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i>
 </ul><div class="codewrapper sourceCode" id="cb11">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb11-1"><a href="#cb11-1" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> alias1.column_name1, alias1.column_name2, alias2.column_name3</span>
-<span id="cb11-2"><a href="#cb11-2" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> table_name1 <span class="kw">AS</span> alias1</span>
-<span id="cb11-3"><a href="#cb11-3" aria-hidden="true" tabindex="-1"></a><span class="kw">JOIN</span> table_name2 <span class="kw">AS</span> alias2</span>
-<span id="cb11-4"><a href="#cb11-4" aria-hidden="true" tabindex="-1"></a><span class="kw">ON</span> alias1.column_name <span class="op">=</span> alias2.column_name;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb11-1"><a href="#cb11-1" tabindex="-1"></a><span class="kw">SELECT</span> alias1.column_name1, alias1.column_name2, alias2.column_name3</span>
+<span id="cb11-2"><a href="#cb11-2" tabindex="-1"></a><span class="kw">FROM</span> table_name1 <span class="kw">AS</span> alias1</span>
+<span id="cb11-3"><a href="#cb11-3" tabindex="-1"></a><span class="kw">JOIN</span> table_name2 <span class="kw">AS</span> alias2</span>
+<span id="cb11-4"><a href="#cb11-4" tabindex="-1"></a><span class="kw">ON</span> alias1.column_name <span class="op">=</span> alias2.column_name;</span></code></pre>
 </div>
 <ul><li>we can use aliases to assign new names to things in the query.</li>
 <li>we can use as to rename column names too. E.g.
@@ -440,9 +440,9 @@ <h3 id="saving-queries">Saving queries<a class="anchor" aria-label="anchor" href
 <div class="codewrapper sourceCode" id="cb12">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb12-1"><a href="#cb12-1" aria-hidden="true" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">VIEW</span> viewname <span class="kw">AS</span></span>
-<span id="cb12-2"><a href="#cb12-2" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> column_names</span>
-<span id="cb12-3"><a href="#cb12-3" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> table_name;</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb12-1"><a href="#cb12-1" tabindex="-1"></a><span class="kw">CREATE</span> <span class="kw">VIEW</span> viewname <span class="kw">AS</span></span>
+<span id="cb12-2"><a href="#cb12-2" tabindex="-1"></a><span class="kw">SELECT</span> column_names</span>
+<span id="cb12-3"><a href="#cb12-3" tabindex="-1"></a><span class="kw">FROM</span> table_name;</span></code></pre>
 </div>
 <ul><li>create a stored query or virtual table in database for repeated
 queries</li>
@@ -452,10 +452,10 @@ <h3 id="commenting">Commenting<a class="anchor" aria-label="anchor" href="#comme
 <div class="codewrapper sourceCode" id="cb13">
 <h3 class="code-label">SQL<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
 </h3>
-<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb13-1"><a href="#cb13-1" aria-hidden="true" tabindex="-1"></a><span class="co">-- Select all columns</span></span>
-<span id="cb13-2"><a href="#cb13-2" aria-hidden="true" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span> </span>
-<span id="cb13-3"><a href="#cb13-3" aria-hidden="true" tabindex="-1"></a><span class="co">-- From the table_name</span></span>
-<span id="cb13-4"><a href="#cb13-4" aria-hidden="true" tabindex="-1"></a><span class="kw">FROM</span> table_name</span></code></pre>
+<pre class="sourceCode sql" tabindex="0"><code class="sourceCode sql"><span id="cb13-1"><a href="#cb13-1" tabindex="-1"></a><span class="co">-- Select all columns</span></span>
+<span id="cb13-2"><a href="#cb13-2" tabindex="-1"></a><span class="kw">SELECT</span> <span class="op">*</span> </span>
+<span id="cb13-3"><a href="#cb13-3" tabindex="-1"></a><span class="co">-- From the table_name</span></span>
+<span id="cb13-4"><a href="#cb13-4" tabindex="-1"></a><span class="kw">FROM</span> table_name</span></code></pre>
 </div>
 <ul><li>we can create comments in SQL queries to help us/others understand
 the query better</li>
@@ -530,7 +530,7 @@ <h3 id="operators">Operators<a class="anchor" aria-label="anchor" href="#operato
   "identifier": "https://librarycarpentry.github.io/lc-sql/reference.html",
   "dateCreated": "2018-04-12",
   "dateModified": "2023-09-19",
-  "datePublished": "2024-02-27"
+  "datePublished": "2024-03-05"
 }
 
   </script><script>