DELETE

DELETE 语句用于从指定的表中删除行。

语法图

DeleteFromStmt

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

示例

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

Query OK, 0 rows affected (0.11 sec)

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

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

SELECT * FROM t1;

+----+----+
| id | c1 |
+----+----+
|  1 |  1 |
|  2 |  2 |
|  3 |  3 |
|  4 |  4 |
|  5 |  5 |
+----+----+
5 rows in set (0.00 sec)

DELETE FROM t1 WHERE id = 4;

Query OK, 1 row affected (0.02 sec)

SELECT * FROM t1;

+----+----+
| id | c1 |
+----+----+
|  1 |  1 |
|  2 |  2 |
|  3 |  3 |
|  5 |  5 |
+----+----+
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，请尝试 TiDB 支持资源。

另请参阅

• INSERT
• SELECT
• UPDATE
• REPLACE