mysql -u root
mysql> SET PASSWORD FOR 'root'@'localhost' = PASSWORD('newpass');
mysqladmin -u root password "newpass"
mysqladmin -u root password oldpass "newpass"
mysql -u root
mysql> use mysql;
mysql> UPDATE user SET Password = PASSWORD('newpass') WHERE user = 'root';
mysql> FLUSH PRIVILEGES;
mysql>use mysql;
mysql> select host,user,password from user ;
mysql>use mysql;
mysql> select host,user,password from user ;
mysql> insert into mysql.user (Host,User,Password) Values('%','wise',PASSWORD('passwd'));
msyql>FLUSH RPIVILEGES
mysql>rename user feng to newuser;//mysql 5之后可以使用,之前需要使用update 更新user表
mysql>drop user newuser; //mysql5之前删除用户时必须先使用revoke 删除用户权限,然后删除用户,mysql5之后drop 命令可以删除用户的同时删除用户的相关权限
mysql> set password for zx_root =password('xxxxxx');
mysql> update mysql.user set password=password('xxxx') where user='otheruser'
mysql> show grants for zx_root;
mysql> grant all privileges on YQ.* to wise;
mysql> revoke select on dmc_db.* from zx_root; //如果权限不存在会报错
mysql>rename user feng to newuser;//mysql 5之后可以使用,之前需要使用update 更新user表
mysql>dropuser newuser; //mysql5之前删除用户时必须先使用revoke 删除用户权限,然后删除用户,mysql5之后drop 命令可以删除用户的同时删除用户的相关权限
mysql> set password for zx_root =password('xxxxxx');
mysql> update mysql.user set password=password('xxxx') where user='otheruser'
mysql> show grants for zx_root;
mysql> grant select on dmc_db.* to zx_root;
mysql> revoke select on dmc_db.* from zx_root; //如果权限不存在会报错
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