Создание нового юзера и базы данных с одинаковыми именами и правами

CREATE DATABASE IF NOT EXISTS  `mydatabase` ;

CREATE USER 'username'@'hostname' IDENTIFIED BY  'password';
GRANT USAGE ON `mydatabase`.* TO  'username'@'hostname' IDENTIFIED BY  'password' WITH MAX_QUERIES_PER_HOUR 0 MAX_CONNECTIONS_PER_HOUR 0 MAX_UPDATES_PER_HOUR 0 MAX_USER_CONNECTIONS 0 ;

CREATE USER 'username'@'Host.IP.X.X' IDENTIFIED BY  'password';
GRANT USAGE ON `mydatabase`. * TO  'username'@'Host.IP.X.X' IDENTIFIED BY  'password' WITH MAX_QUERIES_PER_HOUR 0 MAX_CONNECTIONS_PER_HOUR 0 MAX_UPDATES_PER_HOUR 0 MAX_USER_CONNECTIONS 0 ;

GRANT ALL PRIVILEGES ON `mydatabase`.* TO  'username'@'hostname';
GRANT ALL PRIVILEGES ON `mydatabase`.* TO  'username'@'Host.IP.X.X';