text: CREATE TABLE IF NOT EXISTS `user_skills` (
      `id` int(10) UNSIGNED NOT NULL AUTO_INCREMENT,
      `user_id` int(10) UNSIGNED NOT NULL,
      `skill_id` int(10) UNSIGNED NOT NULL,
      `created_at` DATETIME NOT NULL,
      `updated_at` DATETIME NOT NULL,
      PRIMARY KEY (`id`)    
  ) ENGINE=Innodb DEFAULT CHARSET=utf8 AUTO_INCREMENT=1;