一段PhpMyAdamin导出的sql语句，

一段PhpMyAdamin导出的sql语句，请指教！
CREATE DATABASE IF NOT EXISTS primavpdb001 ;
GRANT ALL
ON primavpdb001.*
TO primavpdb001_f@localhost
IDENTIFIED BY 'changeme ' ;
FLUSH PRIVILEGES ;

USE primavpdb001;

这段语句，请教各位了！详细点更好，嘿嘿！

------解决方案--------------------
CREATE DATABASE IF NOT EXISTS primavpdb001 ;
检查数据库primavpdb001是否存在,不存在则创建


GRANT ALL
ON primavpdb001.*
TO primavpdb001_f@localhost
IDENTIFIED BY 'changeme ' ;
FLUSH PRIVILEGES ;
赋予用户primavpdb001_f在localhost上对primavpdb001数据库中所有数据表的全局权限,密码设置为changeme

USE primavpdb001;
打开数据库primavpdb001