mysql给root开启远程访问权限，修改root密码

http://www.cnblogs.com/easyzikai/archive/2012/06/17/2552357.html

GRANT ALL PRIVILEGES ON *.* TO 'root'@'192.168.1.100' IDENTIFIED BY 'root用户的密码' WITH GRANT OPTION;

给任意IP 访问

GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY 'root用户的密码' WITH GRANT OPTION;

flush privileges;