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revoke-privileges.md

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REVOKE <privileges> | TiDB SQL Statement Reference
An overview of the usage of REVOKE <privileges> for the TiDB database.
reference

REVOKE

This statement removes privileges from an existing user.

Synopsis

GrantStmt:

GrantStmt

PrivElemList:

PrivElemList

PrivElem:

PrivElem

PrivType:

PrivType

ObjectType:

ObjectType

PrivLevel:

PrivLevel

UserSpecList:

UserSpecList

Examples

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 compatibility

This statement is understood to be fully compatible with MySQL. Any compatibility differences should be reported via an issue on GitHub.

See also