ALTER TABLE `appointments` CHANGE `created_at` `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP;

ALTER TABLE `bills` CHANGE `created_at` `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP;

ALTER TABLE `browser_features` CHANGE `created_at` `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP;

ALTER TABLE `browser_login` CHANGE `created_at` `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP;

ALTER TABLE `club_feet` CHANGE `created_at` `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP;

ALTER TABLE `other_consults` CHANGE `created_at` `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP;

ALTER TABLE `patients` CHANGE `created_at` `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP;

ALTER TABLE `payments` CHANGE `created_at` `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP;

ALTER TABLE `pictures` CHANGE `created_at` `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP;

ALTER TABLE `prices` CHANGE `created_at` `created_at` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP;

ALTER TABLE `ricket_consults` CHANGE `created_at` `created_at` TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP;

ALTER TABLE `settings` CHANGE `created_at` `created_at` TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP;

ALTER TABLE `surgeries` CHANGE `created_at` `created_at` TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP;

ALTER TABLE `users` CHANGE `created_at` `created_at` TIMESTAMP NULL DEFAULT CURRENT_TIMESTAMP;

ALTER TABLE `users` CHANGE `last_login` `last_login` TIMESTAMP NULL DEFAULT NULL;
