alter table student_year add column snack_service_sty enum('YES','NO') default 'NO' after extracurricular_service; create table data_protection_terms_conditions( serial_dpt int NOT NULL AUTO_INCREMENT, serial_usr int NOT NULL, id_usr varchar(13) NOT NULL, serial_scy int NOT NULL, timestamp_dpt TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP, status_dpt ENUM('ACTIVE','INACTIVE') NOT NULL DEFAULT 'ACTIVE', PRIMARY KEY (`serial_dpt`), FOREIGN KEY (serial_usr) REFERENCES user(serial_usr), FOREIGN KEY (serial_scy) REFERENCES school_year(serial_scy) );