CREATE TABLE `user_student` ( `id_user_student` char(36) NOT NULL, `id_user` char(36) DEFAULT NULL, `id_student` char(36) DEFAULT NULL, `access_level` varchar(50) DEFAULT NULL, `is_primary` tinyint(1) DEFAULT NULL, PRIMARY KEY (`id_user_student`), KEY `user_student_ibfk_1` (`id_user`), KEY `user_student_ibfk_2` (`id_student`), CONSTRAINT `user_student_ibfk_1` FOREIGN KEY (`id_user`) REFERENCES `user` (`id_user`), CONSTRAINT `user_student_ibfk_2` FOREIGN KEY (`id_student`) REFERENCES `student` (`id_student`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;