In the meantime I also did some research based on your suggestions and my early conceptual design. I can say that your comments were very helpful and it has solved many of my conflicts!
thanks.
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Access mdb 'Flight Reservation System'
I am setting up the conceptual schema (i.e ERD) for a flight reservation database but have found some difficulty when it comes to relating flight schedule tables and seat allocation. What I need is a sample mdb database to get some ideas from the 'relation schema' or a URL which would possibly offer such sample databases or reference.
I thank you all in anticipation!
regards,
katmas
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by: DukeyTooPosted on 2002-10-10 at 21:03:13ID: 7325475
Having never worked on a flight reservation db, I probably do not understand the complexities involved, but this would be my suggestion:
* PlaneType - types of planes, e.g. Boeing 747.
* SeatLayout - a type of seat layout (not really necessary unless many plane types share the same layout)
* SeatLayoutDetail - the seat numbers, and other info for a particular seat layout (such as "is it near the emergency exit", or "is it a preferred seat for frequent flyers".
* Plane - an actual plane
* PlaneSchedule - the schedule for a particular plane, (consists of a single flight only from takeoff to landing)
* Passenger - passenger details
* PassengerTicket - passenger ticket details, including seat allocation
* PassengerBooking - ticket booking, groups tickets together, e.g. for people travelling together
A PlaneType has a SeatLayout which has some detail of SeatLayoutDetail.
A Plane has PlaneSchedules.
A Passenger has a PassengerTicket for a PlaneSchedule.
A PassengerTicket links to a SeatLayoutDetail record.
A PassengerTicket is part of a PassengerBooking.
Whew. Sorry, no sample db, I need to catch up on my sleep :)
In retrospect, perhaps PlaneSchedule should have been called PlaneFlight.