mysql开启远程连接及修改root密码

开启远程连接 用户名open，密码是123456

mysql> grant all privileges on *.* to 'open'@'%' identified by '123456';  

mysql> flush privileges;

修改root密码，将root密码修改为123456

mysql> use mysql; 

mysql> desc user;

mysql> update user set Password = password('123456') where User='root';

mysql> flush privileges;