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Update questions.sql #62

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Update questions.sql #62

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7 changes: 7 additions & 0 deletions SQL Deep Dive/3 Valued Logic Exercises/questions.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,9 @@
SELECT address2
FROM customers

--RESULT = SELECT COALESCE(address2, 'No Address') FROM customers


/*
* DB: Store
* Table: customers
Expand All @@ -17,6 +20,8 @@ SELECT *
FROM customers
WHERE COALESCE(address2, null) IS NOT null;

--RESULT = SELECT * FROM customers WHERE address2 IS NOT NULL;

/*
* DB: Store
* Table: customers
Expand All @@ -25,3 +30,5 @@ WHERE COALESCE(address2, null) IS NOT null;

SELECT coalesce(lastName, 'Empty'), * from customers
where (age = null);

--RESULT = SELECT coalesce(lastName, 'Empty'), * from customers where (age IS null);