mysql的用户权限管理

CREATE USER 'cl'@'%' IDENTIFIED BY 'aaa';

user@'%'  ---可以远程连接
user@'localhost'  ---只能本地连接
user@'123.23.43.4'  --只能IP:123.23.43.4连接

grant all  on db.*  to cl; --将对db数据库中的所有权限给予cl用户

SELECT User, Host, Password FROM mysql.user;

drop user root@'%';

grant execute on cc.*  to 'cl'@'%' ;

flush privileges;

show grants for root@'%';

REVOKE privilege ON databasename.tablename FROM 'username'@'host';