我们可以将DELETE语句与WHERE子句一起使用,该子句标识那些多行,以从MySQL表中删除多行。
示例
mysql> Select * from names;
+------+-----------+
| id | name |
+------+-----------+
| 1 | Rahul |
| 2 | Gaurav |
| 3 | Raman |
| 5 | Ram |
+------+-----------+
4 rows in set (0.00 sec)
mysql> DELETE from names WHERE id > 2;
上面的查询将删除多行,因为WHERE子句从表’names’中识别出id> 2的两行。
mysql> Select * from names;
+------+-----------+
| id | name |
+------+-----------+
| 1 | Rahul |
| 2 | Gaurav |
+------+-----------+
2 rows in set (0.00 sec)
正文完