public function dropTable($target, $ifExists = true)
    {
        $query = 'DROP TABLE ';

        if ($ifExists === true) {
            $query .= 'IF EXISTS ';
        }

        if (!is_array($target)) {
            $target = array($target);
        }

        $target = $this->quote($target);
        $query .= sprintf('%s;', implode(', ', $target));

        $this->append($query);
        return $this;
    }