$> mysql -u 'root' -p
mysql> create database atestdatabase;
mysql> create user 'myuser'@'localhost' identified by 'secret';
mysql> grant all on atestdatabase.* to 'myuser'@'localhost';
mysql> create database atestdatabase;
mysql> create user 'myuser'@'localhost' identified by 'secret';
mysql> grant all on atestdatabase.* to 'myuser'@'localhost';