mysql 设置远程访问

任意访问

如果不限制ip访问，授权某个用户可以以任意ip访问该服务，可以这样写：

    GRANT ALL PRIVILEGES ON *.* TO admin@'%' IDENTIFIED BY 'admin';   

    FLUSH PRIVILEGES;  

设置ip对应访问

grant all on *.* to 'remote'@'172.16.21.39' identified by 'password';

    FLUSH PRIVILEGES;