1.创建用户
create user ‘deep’@’%’ identified by “123456”;
2.删除用户
drop user ‘deep’@’%’;
3.修改密码
alter user ‘deep’@’%’ identified by “1234567”;
4.授权
grant all privileges on mydb.* to ‘deep’@’%’ with grant option;
5.收回权限
revoke all privileges on mydb.* from ‘deep’@’%’ ;
6.刷新权限
flush privileges;
7.查询权限
show grants for ‘deep’@’%’;
8.忘记密码的处理办法:
第一步:
其中: --defaults-file指定的my.ini文件目录可以通过show VARIABLES like “%datadir%”;
第二步:
先直接连接mysql,在执行下面的语句,
flush privileges;
alter user ‘root’@‘localhost’ identified by ‘123456’;