REVOKE
语法说明
将某个用户或者角色上被赋予的权限收回。
语法结构
> REVOKE [IF EXISTS]
priv_type [(column_list)]
[, priv_type [(column_list)]] ...
ON object_type priv_level
> REVOKE [IF EXISTS] role [, role ] ...
FROM user_or_role [, user_or_role ] ...
示例
> CREATE USER mouser IDENTIFIED BY '111';
Query OK, 0 rows affected (0.10 sec)
> CREATE ROLE role_r1;
Query OK, 0 rows affected (0.05 sec)
> GRANT role_r1 to mouser;
Query OK, 0 rows affected (0.04 sec)
> GRANT create table on database * to role_r1;
Query OK, 0 rows affected (0.03 sec)
> SHOW GRANTS for mouser@localhost;
+-------------------------------------------------------+
| Grants for mouser@localhost |
+-------------------------------------------------------+
| GRANT create table ON database * `mouser`@`localhost` |
| GRANT connect ON account `mouser`@`localhost` |
+-------------------------------------------------------+
2 rows in set (0.02 sec)
> REVOKE role_r1 from mouser;
Query OK, 0 rows affected (0.04 sec)
> SHOW GRANT for mouser@localhost;
+------------------------------------------------+
| Grants for mouser@localhost |
+------------------------------------------------+
| GRANT connect ON account `mouser`@`localhost` |
+------------------------------------------------+
1 row in set (0.02 sec)