-- AddForeignKey
ALTER TABLE `payment_submissions` ADD CONSTRAINT `payment_submissions_user_id_fkey` FOREIGN KEY (`user_id`) REFERENCES `users`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;

-- AddForeignKey
ALTER TABLE `payment_submissions` ADD CONSTRAINT `payment_submissions_chapter_id_fkey` FOREIGN KEY (`chapter_id`) REFERENCES `chapters`(`id`) ON DELETE CASCADE ON UPDATE CASCADE;