Re: Please help me with Relational Database design

"Jan Hidders" <jan.hidders_at_REMOVE.THIS.ua.ac.be> wrote :
> Because of reflexivity we can always, i.e., no matter what other FDs we
> already derived, add:
>
> (3) BC -> B

Ah I see.
Step 3 was the step I didn't understand. But this one is true because B is a subset of BC, isn't it?
Like I said, it is very easy to see it when it's already solved. But when I have to do it myself...
Well, when I come across new problems, I'll post it right here, ok?

Thanx!
@s Received on Thu Mar 06 2003 - 02:40:36 CST