USE billing;

ALTER TABLE billing_profiles
  ADD COLUMN `status` enum('active','terminated') NOT NULL DEFAULT 'active',
  ADD COLUMN `modify_timestamp` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  ADD COLUMN `create_timestamp` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
  ADD COLUMN `terminate_timestamp` timestamp NULL DEFAULT NULL;