MySQL删除数据

1、delete可以直接删除数据，也可以根据条件删除数据

1.1语法格式：

delete from  表名  where 。。。。。

1.2举例：删除津贴为500的员工

delete from emp where comm=500;

1.3删除津贴为null的员工

delete from emp where comm is null;