ALTER TABLE `trucker_users` CHANGE `user_id` `user_id` VARCHAR(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL;
ALTER TABLE `trucker_party_members` CHANGE `user_id` `user_id` VARCHAR(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL;
ALTER TABLE `trucker_trucks` CHANGE `user_id` `user_id` VARCHAR(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL;
ALTER TABLE `trucker_loans` CHANGE `user_id` `user_id` VARCHAR(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NOT NULL;
ALTER TABLE `trucker_drivers` CHANGE `user_id` `user_id` VARCHAR(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci NULL DEFAULT NULL;