ALTER TABLE Booking (
ADD CONSTRAINT PK_Booking PRIMARY KEY (BookingNo),
ADD CONSTRAINT FK_BookingMemberNo FOREIGN KEY (MemeberNo) REFERENCES Member (MemberNo),
ADD CONSTRAINT FK_BookingPickupCityId FOREIGN KEY (PickupCityId) REFERENCES City (CityId),
ADD CONSTRAINT FK_BookingDestinationCityId FOREIGN KEY (DestinationCityId) REFERENCES City (CityId),
ADD CONSTRAINT FK_BookingDriverNo FOREIGN KEY (AssignedDriverNo) REFERENCES Driver (DriverNo));