mysql 权限管理

CREATE USER ‘dingyingsi‘@‘localhost‘ IDENTIFIED BY ‘dys123‘; //将该用户创建在本机上
CREATE USER ‘dingyingsi‘@‘%‘ IDENTIFIED BY ‘dys123‘;　　//创建的用户可以远程连接本机

grant select,insert,update,delete,create,drop on dys.tb1 to ‘dingyingsi‘@‘localhost‘ identified by ‘dys123‘;
grant all privileges on dys.tb1 to ‘dingyingsi‘@‘localhost‘ identified by ‘dys123‘;
grant all privileges on *.* to ‘dingyingsi‘@‘localhost‘ identified by ‘dys123‘;

revoke all privileges on *.* from netuser@"%";  
revoke all on db1.tb1 from netuser@"%";  
revoke all on db1.* from netuser@"%";