mysql更改用户密码

1、mysqladmin

mysqladmin –u username –p password 'new password'

2、手工更新授权表

mysql>update user set password=password('new password') where user='username';

mysql>flush privileges;

3、同时更新权限

mysql>grant 权限 on dbname.table to  username@ip identified by 'new password';

4、其他

mysql>set password for  username@ip=password('new password');