DELETE

DELETE 语句用于从指定的表中删除行。

语法图

DeleteFromStmt
DELETETableOptimizerHintsPriorityOptQuickOptionalIgnoreOptionalFROMTableNameTableAsNameOptIndexHintListOptWhereClauseOptionalOrderByOptionalLimitClauseTableAliasRefListUSINGTableRefsWhereClauseOptionalTableAliasRefListFROMTableRefsWhereClauseOptional

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

下载 PDF
产品
TiDB
TiDB Cloud
© 2024 PingCAP. All Rights Reserved.
Privacy Policy.