DELETE

DELETE 语句用于从指定的表中删除行。

语法图

DeleteFromStmt

DELETE - 图1

1. DeleteFromStmt ::=
2. 'DELETE' TableOptimizerHints PriorityOpt QuickOptional IgnoreOptional ( 'FROM' ( TableName TableAsNameOpt IndexHintListOpt WhereClauseOptional OrderByOptional LimitClause | TableAliasRefList 'USING' TableRefs WhereClauseOptional ) | TableAliasRefList 'FROM' TableRefs WhereClauseOptional )

示例

1. CREATE TABLE t1 (id INT NOT NULL PRIMARY KEY AUTO_INCREMENT, c1 INT NOT NULL);

1. Query OK, 0 rows affected (0.11 sec)

1. INSERT INTO t1 (c1) VALUES (1),(2),(3),(4),(5);

1. Query OK, 5 rows affected (0.03 sec)
2. Records: 5  Duplicates: 0  Warnings: 0

1. SELECT * FROM t1;

1. +----+----+
2. | id | c1 |
3. +----+----+
4. |  1 |  1 |
5. |  2 |  2 |
6. |  3 |  3 |
7. |  4 |  4 |
8. |  5 |  5 |
9. +----+----+
10. 5 rows in set (0.00 sec)

1. DELETE FROM t1 WHERE id = 4;

1. Query OK, 1 row affected (0.02 sec)

1. SELECT * FROM t1;

1. +----+----+
2. | id | c1 |
3. +----+----+
4. |  1 |  1 |
5. |  2 |  2 |
6. |  3 |  3 |
7. |  5 |  5 |
8. +----+----+
9. 4 rows in set (0.00 sec)

MySQL 兼容性

DELETE 语句与 MySQL 完全兼容。如发现任何兼容性差异，请在 GitHub 上提交 issue。

另请参阅