Re: Access as a RDBMS--why the multiple relationships?
Date: Sat, 15 Dec 2007 10:16:12 +0100
Evan Keel schreef:
> raylopez99 wrote:
>> ...TWO, not just one, relationship arrows between >> tables. But I think (and I just want confirmation of this) that one >> of these two relationship arrows is bogus, and more like a query than >> a true relationship.
> My 2 cents. In my experience, when you have more than one relationship among
> tables you are really describing roles. For example: Professor tutors
> Student and Professor advises Student, where tutor and advisor are roles.
2 cents more. You just do not run into this
non-problem when you think of roles.
You are describing roles a lot of the time, period. That is, not only when you have more than one relationship.
-- What you see depends on where you stand.Received on Sat Dec 15 2007 - 10:16:12 CET