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`;