REVOKE <privileges>
REVOKE <privileges> 语句用于删除已有用户的权限。
语法图
GrantStmt:
PrivElemList:
PrivElem:
PrivType:
ObjectType:
PrivLevel:
UserSpecList:
示例
mysql> CREATE USER newuser IDENTIFIED BY 'mypassword';
Query OK, 1 row affected (0.02 sec)
mysql> GRANT ALL ON test.* TO 'newuser';
Query OK, 0 rows affected (0.03 sec)
mysql> SHOW GRANTS FOR 'newuser';
+-------------------------------------------------+
| Grants for newuser@% |
+-------------------------------------------------+
| GRANT USAGE ON *.* TO 'newuser'@'%' |
| GRANT ALL PRIVILEGES ON test.* TO 'newuser'@'%' |
+-------------------------------------------------+
2 rows in set (0.00 sec)
mysql> REVOKE ALL ON test.* FROM 'newuser';
Query OK, 0 rows affected (0.03 sec)
mysql> SHOW GRANTS FOR 'newuser';
+-------------------------------------+
| Grants for newuser@% |
+-------------------------------------+
| GRANT USAGE ON *.* TO 'newuser'@'%' |
+-------------------------------------+
1 row in set (0.00 sec)
mysql> DROP USER newuser;
Query OK, 0 rows affected (0.14 sec)
mysql> SHOW GRANTS FOR newuser;
ERROR 1141 (42000): There is no such grant defined for user 'newuser' on host '%'
MySQL 兼容性
REVOKE <privileges> 语句与 MySQL 完全兼容。如发现任何兼容性差异，请在 GitHub 上提交 issue。