text: DROP TABLE IF EXISTS `cal_backgrounds`;
  DROP TABLE IF EXISTS `cal_calendars`;
  DROP TABLE IF EXISTS `cal_events`;
  DROP TABLE IF EXISTS `cal_participants`;
  DROP TABLE IF EXISTS `cal_views`;
  DROP TABLE IF EXISTS `cal_exceptions`;
  DROP TABLE IF EXISTS `cal_views_calendars`;
  DROP TABLE IF EXISTS `go_links_cal_events`;
  DROP TABLE IF EXISTS `cal_settings`;
  DROP TABLE IF EXISTS `cal_groups`;
  DROP TABLE IF EXISTS `cal_group_admins`;
  DROP TABLE IF EXISTS `cf_cal_events`;
  DROP TABLE IF EXISTS `cal_visible_tasklists`;
  DROP TABLE IF EXISTS `cal_holidays`;
  DROP TABLE IF EXISTS `cal_categories`;
  DROP TABLE IF EXISTS `cal_events_declined`;
  DROP TABLE IF EXISTS `cf_cal_calendars`;
  DROP TABLE IF EXISTS `go_links_cal_calendars`;
  DROP TABLE IF EXISTS `cal_calendar_user_colors`;
  DROP TABLE IF EXISTS `cal_views_groups`;