mysql 用户建立、受权及删除、取消权限操做

删除、取消权限操做：

1. drop user 'user_name'@'%';

2. drop user 'user_name'@'localhost'

3. flush privileges; //从新加载受权表

注意：delete from user where user='user_name'；直接操做mysql.user表不行，重建同名用户时会出现“operation CREATE USER failed”错误提示信息

 

添加用户、受权操做

1. create USER ’user_name' identified by 'password'; //建立用户名和密码

2. grant ALL ON 'db_name'.'tb_name' TO 'user_name'@'%' identified by 'password' //给 ‘user_name’@'%'受权

3. grant ALL ON 'db_name'.'tb_name' TO 'user_name'@'localhost' identified by 'password' //给 'user_name'@'localhost'受权

4. flush privileges; //从新加载受权表