撤销权限
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REVOKE ALL PRIVILEGES, GRANT OPTION FROM user [, user]…REVOKE PROXY ON user FROM user [, user]...SHOW GRANTS FOR user;-- 查看用户的当前权限
SHOW GRANTS FOR rfc;
-- 授予用户权限
GRANT SELECT, UPDATE, DELETE ON `yiibaidb`.* TO 'rfc'@'%';+-----------------------------------------------------------+
| Grants for rfc@% |
+-----------------------------------------------------------+
| GRANT USAGE ON *.* TO 'rfc'@'%' |
| GRANT SELECT, UPDATE, DELETE ON `yiibaidb`.* TO 'rfc'@'%' |
+-----------------------------------------------------------+-- 创建用户
CREATE USER IF NOT EXISTS rfc IDENTIFIED BY 'newpasswd';
-- 授予用户权限
GRANT SELECT, UPDATE, DELETE ON yiibaidb.* TO rfc;REVOKE UPDATE, DELETE ON yiibaidb.* FROM rfc;-- 查看用户权限
SHOW GRANTS FOR 'rfc'@'%';
-- 授予用户权限
GRANT SELECT ON `yiibaidb`.* TO 'rfc'@'%';REVOKE ALL PRIVILEGES, GRANT OPTION FROM rfc;-- 查看用户权限
SHOW GRANTS FOR rfc;
GRANT USAGE ON *.* TO 'rfc'@'%';