📣

TiDB Cloud Serverless 现已更名为
Starter
!此页面由 AI 自动翻译,英文原文请见
此处。

REVOKE <privileges>

此语句用于从现有用户中撤销权限。执行此语句需要拥有 GRANT OPTION 权限以及所有你要撤销的权限。

概要

RevokeStmt
REVOKEPrivElemListONObjectTypePrivLevelFROMUserSpecList
PrivElemList
PrivElem,
PrivElem
PrivType(ColumnNameList)
PrivType
ALLPRIVILEGESALTERROUTINECREATEUSERTEMPORARYTABLESVIEWROLEROUTINETRIGGERDELETEDROPROLEPROCESSEXECUTEINDEXINSERTSELECTSUPERSHOWDATABASESVIEWUPDATEGRANTOPTIONREFERENCESREPLICATIONSLAVECLIENTUSAGERELOADFILECONFIGLOCKTABLESEVENTSHUTDOWN
ObjectType
TABLE
PrivLevel
*.*Identifier.*Identifier
UserSpecList
UserSpec,

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

相关链接

文档内容是否有帮助?