From c4a924d5ec280dc3ee67cc2bde34480372613d84 Mon Sep 17 00:00:00 2001
From: smallkun <smallerkun@foxmail.com>
Date: Thu, 13 Feb 2025 03:07:01 +0800
Subject: [PATCH] Auto commit

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 课件/MySQL/MySQL语句分类.md | 19 +++++++++++++++++++
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+### 数据查询语言 (DQL - Data Query Language)
+
+- **代表关键字**: `SELECT`
+
+### 数据操纵语言 (DML - Data Manipulation Language)
+
+- **代表关键字**: `INSERT`, `DELETE`, `UPDATE`
+
+### 数据定义语言 (DDL - Data Definition Language)
+
+- **代表关键字**: `CREATE`, `DROP`, `ALTER`
+
+### 事务控制语言 (TCL - Transactional Control Language)
+
+- **代表关键字**: `COMMIT`, `ROLLBACK`
+
+### 数据控制语言 (DCL - Data Control Language)
+
+- **代表关键字**: `GRANT`, `REVOKE`
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