mysql> CREATE USER minecraft IDENTIFIED BY 'somepasswordgoeshere';
Query OK, 0 ROWS affected (0.00 sec)

mysql> CREATE DATABASE minecraft;
Query OK, 1 ROW affected (0.02 sec)

mysql> GRANT ALL PRIVILEGES ON minecraft.* TO 'minecraft'@'localhost';
Query OK, 0 ROWS affected (0.00 sec)

mysql> FLUSH PRIVILEGES;
Query OK, 0 ROWS affected (0.00 sec)

mysql> exit;