MySQL DELETE 命令的用途是什么?

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WBOY 转载
2023-09-16 16:33:05 496浏览

MySQL DELETE 命令的用途是什么?

MySQL DELETE命令用于从表中删除行。它与WHERE子句一起使用。

DELETE From Table_name WHERE Condition;

示例

在下面的示例中,我们已经删除了表格“employee”中id >= 100的行。

mysql> select * from employee;
+------+--------+
| Id   | name   |
+------+--------+
| 100  | Ram    |
| 200  | Gaurav |
| 300  | MOHAN  |
+------+--------+
3 rows in set (0.00 sec)

mysql> delete from employee where id >=100;
Query OK, 3 rows affected (0.06 sec)

mysql> select * from employee;
Empty set (0.00 sec)

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