mysql創建修改刪除用戶

mysql創建修改刪除用戶  

創建
create user 'test1'@'localhost/127.0.0.1' identified by '123' 本機權限
create user 'test1'@'%' identified by '123' 所有權限
刪除
drop user 'user'@'host'
撤銷用戶權限

revoke all on *.* from 'test'@'localhost';

更改用戶名

rename user 'test'@'localhost' to 'test1'@'%';
增加權限
GRANT ALL PRIVILEGES ON app.* TO webuser@"%";
grant select,update(field1,field2) on dbname.tablename to 'test1'@'%'
grantselecton testdb.*to common_user@'%'