code: private function createMenuGroupTable() {
  
          $this->database->query("DROP TABLE IF EXISTS `?menu_group`;");
          $this->database->query(
              "CREATE TABLE IF NOT EXISTS `?menu_group` (
                  `menu_group_id` int(11) NOT NULL AUTO_INCREMENT,
                  `menu_group_title` varchar(45) NOT NULL,
                  `menu_group_order` int(11) NOT NULL DEFAULT '0',
                  `menu_group_uid` varchar(45) NOT NULL,
                  `menu_group_iscore` TINYINT(1) NOT NULL DEFAULT '0',
                  PRIMARY KEY (`menu_group_id`),
                  UNIQUE KEY `menu_group_id_UNIQUE` (`menu_group_id`),
                  UNIQUE KEY `menu_group_uid_UNIQUE` (`menu_group_uid`)
              ) ENGINE=InnoDB  DEFAULT CHARSET=utf8 AUTO_INCREMENT=6 ;
          ");
          $this->database->query(
              "INSERT INTO `?menu_group` (`menu_group_id`, `menu_group_title`, `menu_group_order`, `menu_group_uid`, `menu_group_iscore`) VALUES
              (1, 'Media Menu', 1, 'mediamenu', 1),
              (2, 'User Menu', 2, 'usermenu', 1),
              (3, 'Dashboard Menu', 3, 'dashboardmenu', 1),
              (4, 'Messages Menu', 4, 'messagesmenu', 1),
              (5, 'Profile Menu', 5, 'profilemenu', 1),
              (6, 'People Menu', 6, 'peoplemenu', 1);"
          );
      }
docs: Creates the menu group table
  @return void