update docs

src/.vitepress/sidebars/sqlite.yaml

@@ -22,4 +22,23 @@
           - text: 创建数据库
             link: /database/sqlite/core-concepts/database-operations#创建数据库
           - text: 检查数据库
-            link: /database/sqlite/core-concepts/database-operations#检查数据库
+            link: /database/sqlite/core-concepts/database-operations#检查数据库
+      - text: 数据表操作
+        link: /database/sqlite/core-concepts/table-operations
+        items:
+          - text: 创建表
+            link: /database/sqlite/core-concepts/table-operations#创建表
+          - text: 查看表
+            link: /database/sqlite/core-concepts/table-operations#查看表
+          - text: 修改表
+            link: /database/sqlite/core-concepts/table-operations#修改表
+            items: 
+              - text: 添加列
+                link: /database/sqlite/core-concepts/table-operations#添加列
+              - text: 重命名列
+                link: /database/sqlite/core-concepts/table-operations#重命名列
+              - text: 删除列
+                link: /database/sqlite/core-concepts/table-operations#删除列
+          - text: 删除表
+            link: /database/sqlite/core-concepts/table-operations#删除表
+

src/database/sqlite/core-concepts/table-operations.md

@@ -0,0 +1,104 @@
+# 数据表操作
+
+## 创建表
+
+::: code-group
+
+```sql [语法]
+create table database_name.table_name (
+    column1 datatype primary key(one or more columns),
+    column2 datatype,
+    ...
+    columnN datatype
+)
+```
+
+```sql [实例]
+create table company (
+    id integer primary key not null,
+    username text not null,
+    age integer not null,
+    salary real
+)
+```
+
+:::
+
+## 查看表
+
+使用`.tables`命令查看数据库中的所有表。
+
+```bash
+sqlite> .tables
+company  users
+```
+
+使用`.schema`命令查看表的结构。
+
+```bash
+sqlite> .schema company
+CREATE TABLE company (
+    id integer primary key not null,
+    username text not null,
+    age integer not null,
+    salary real
+);
+```
+
+## 修改表
+
+### 添加列
+
+::: code-group
+
+```sql [语法]
+alter table database_name.table_name add column_name datatype;
+```
+
+```sql [实例]
+alter table company add email text
+```
+
+:::
+
+### 重命名列
+
+::: code-group
+
+```sql [语法]
+alter table database_name.table_name rename column_name to new_column_name;
+```
+
+```sql [实例]
+alter table company rename username to name;
+```
+
+:::
+
+### 删除列
+
+::: code-group
+
+```sql [语法]
+alter table database_name.table_name drop column column_name;
+```
+
+```sql [实例]
+alter table company drop column email;
+```
+
+:::
+
+## 删除表
+
+::: code-group
+
+```sql [语法]
+drop table database_name.table_name
+```
+
+```sql [实例]
+drop table company;
+```
+
+:::