Given the ERD below what will be the constraints on the foreign key column? PROFESSOR COMPUTER Assigned To Prof ID SerialNumber Mode FirstName CPU Last Name Uses. O The foreign key column will require unique values but avalue is NOT required for every row. O The foreign key column wil NOT require unique values but a value is required for every row. O The foreign key column will NOT require unique values and a value is NOT required for every row. O The foreign key column will require unique values and a value is required for every row