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