protected function addDatabaseOptions()
    {
        $this
            ->addOption('database-host', 'H', InputOption::VALUE_REQUIRED, 'Name / IP of the host where the database is running.')
            ->addOption('database-user', 'u', InputOption::VALUE_REQUIRED, 'Username to access the database.')
            ->addOption('database-pass', 'p', InputOption::VALUE_REQUIRED, 'Password to access the database.')
            ->addOption('database-port', 'P', InputOption::VALUE_REQUIRED, 'Port where the database is listen.')
            ->addOption('database-name', 'N', InputOption::VALUE_REQUIRED, 'Name of the database which should be used.');
    }