diff --git a/src/.vitepress/sidebars/sqlite.yaml b/src/.vitepress/sidebars/sqlite.yaml
index 0c5687c..2779d21 100644
--- a/src/.vitepress/sidebars/sqlite.yaml
+++ b/src/.vitepress/sidebars/sqlite.yaml
@@ -41,4 +41,26 @@
                 link: /database/sqlite/core-concepts/table-operations#删除列
           - text: 删除表
             link: /database/sqlite/core-concepts/table-operations#删除表
+      - text: Insert 语句
+        link: /database/sqlite/core-concepts/insert-statement
+        items:
+          - text: 为指定列插入值
+            link: /database/sqlite/core-concepts/insert-statement#为指定列插入值
+          - text: 为所有列插入值
+            link: /database/sqlite/core-concepts/insert-statement#为所有列插入值
+      - text: Delete 语句
+        link: /database/sqlite/core-concepts/delete-statement
+        items:
+          - text: 删除所有行
+            link: /database/sqlite/core-concepts/delete-statement#删除所有行
+          - text: 删除指定行
+            link: /database/sqlite/core-concepts/delete-statement#删除指定行
+      - text: Update 语句
+        link: /database/sqlite/core-concepts/update-statement
+        items:
+          - text: 更新所有行
+            link: /database/sqlite/core-concepts/update-statement#更新所有行
+          - text: 更新指定行
+            link: /database/sqlite/core-concepts/update-statement#更新指定行
+        
           
\ No newline at end of file
diff --git a/src/database/sqlite/core-concepts/delete-statement.md b/src/database/sqlite/core-concepts/delete-statement.md
new file mode 100644
index 0000000..19b610b
--- /dev/null
+++ b/src/database/sqlite/core-concepts/delete-statement.md
@@ -0,0 +1,35 @@
+# Delete 语句
+
+Delete 语句用于删除表中已有的记录。
+
+可以使用带有 Where 子句的 Delete 语句删除选定的行，否则所有记录都会被删除。
+
+## 删除所有行
+
+::: code-group
+
+```sql [语法]
+DELETE FROM TABLE_NAME;
+```
+
+```sql [实例]
+DELETE FROM customers;
+```
+
+:::
+
+## 删除指定行
+
+::: code-group
+
+```sql [语法]
+DELETE FROM TABLE_NAME
+WHERE condition;
+```
+
+```sql [实例]
+DELETE FROM customers
+WHERE id = 1;
+```
+
+:::
diff --git a/src/database/sqlite/core-concepts/insert-statement.md b/src/database/sqlite/core-concepts/insert-statement.md
new file mode 100644
index 0000000..5541009
--- /dev/null
+++ b/src/database/sqlite/core-concepts/insert-statement.md
@@ -0,0 +1,33 @@
+# Insert 语句
+
+## 为所有列插入值
+
+::: code-group
+
+```sql [语法]
+INSERT INTO TABLE_NAME
+VALUES (value1, value2, value3, ...);
+```
+
+```sql [实例]
+INSERT INTO customers
+VALUES (1, 'John', 'Doe', '2021-01-01 00:00:00', '2021-01-01 00:00:00');
+```
+
+:::
+
+## 为指定列插入值
+
+::: code-group
+
+```sql [语法]
+INSERT INTO TABLE_NAME (column1, column2, column3, ...)
+VALUES (value1, value2, value3, ...);
+```
+
+```sql [实例]
+INSERT INTO customers (id, first_name, last_name, created_at, updated_at)
+VALUES (1, 'John', 'Doe', '2021-01-01 00:00:00', '2021-01-01 00:00:00');
+```
+
+:::
diff --git a/src/database/sqlite/core-concepts/update-statement.md b/src/database/sqlite/core-concepts/update-statement.md
new file mode 100644
index 0000000..1dc973a
--- /dev/null
+++ b/src/database/sqlite/core-concepts/update-statement.md
@@ -0,0 +1,39 @@
+# Update 语句
+
+Update 语句用于更新数据库表中的数据。
+
+可以使用带有 WHERE 子句的 Update 语句来更新特定的行，否则所有行都会被更新。
+
+## 更新所有行
+
+::: code-group
+
+```sql [语法]
+UPDATE TABLE_NAME
+SET column1 = value1, column2 = value2, ...
+```
+
+```sql [实例]
+UPDATE customers
+SET first_name = 'Jane', last_name = 'Doe';
+```
+
+:::
+
+## 更新指定行
+
+::: code-group
+
+```sql [语法]
+UPDATE TABLE_NAME
+SET column1 = value1, column2 = value2, ...
+WHERE condition;
+```
+
+```sql [实例]
+UPDATE customers
+SET first_name = 'Jane', last_name = 'Doe'
+WHERE id = 1;
+```
+
+:::