Basic question?What 's the key if there 's no FD(Functional Dependencies)?
From: <saturnlee_at_yahoo.com>
Date: 29 Oct 2006 13:54:36 -0800
Message-ID: <1162158876.794350.29460_at_f16g2000cwb.googlegroups.com>
I have a basic question.
Suppose there are 3 attributes: A,B and C. And there are no FD(trivial and non trivial )
Date: 29 Oct 2006 13:54:36 -0800
Message-ID: <1162158876.794350.29460_at_f16g2000cwb.googlegroups.com>
I have a basic question.
Suppose there are 3 attributes: A,B and C. And there are no FD(trivial and non trivial )
What 's the key for it? ABC or nothing??? Received on Sun Oct 29 2006 - 22:54:36 CET