GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'localhost'IDENTIFIED BY 'mypassword' WITH GRANT OPTION; //授权给指定用户，相当于创建特定用户权限。

GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'%'IDENTIFIED BY 'mypassword' WITH GRANT OPTION; //all host can access, but is not?

GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'%'IDENTIFIED BY 'mypassword' WITH GRANT OPTION; // bind-address=127.0.0.1 -> bind-adress=0.0.0.0, it's ok!