How to better reflect the database to objects? How to better reflect the change of objects to the database. ...) E_BASE_POSITION (ID, BASE_ID, POSITION_ID) Class Base; Class Position; Class Employee (Base, Base_Position); {AddBase (); addposition (); deletebase (); // if position.isexits () CAN NOT DELETE DeletePosition (); Destory () {deletePosition (); deletebase ();}}
