protected static function buildColumn($data)
    {
        $counter = 0;
        $insertQuery = "";
        $arraySize = count($data);

        foreach ($data as $key => $value)
        {
            $counter++;
            $insertQuery .= self::sanitize($key);
            if($arraySize > $counter)
                $insertQuery .= ", ";
        }
        return $insertQuery;
    }