Re: Constraints and Functional Dependencies
From: Marshall <marshall.spight_at_gmail.com>
Date: 24 Feb 2007 21:46:55 -0800
Message-ID: <1172382415.852590.157880_at_j27g2000cwj.googlegroups.com>
Date: 24 Feb 2007 21:46:55 -0800
Message-ID: <1172382415.852590.157880_at_j27g2000cwj.googlegroups.com>
On Feb 24, 2:26 pm, mAsterdam <mAster..._at_vrijdag.org> wrote:
>
> Yes, a reference (I like the term) is what the (i) defines when
> there b is not required to be a key of S.
> It is not what Marshall said he intended it to define.
Yes, I used the term "foreign key" when "referential integrity" would have been better. My bad.
Marshall Received on Sun Feb 25 2007 - 06:46:55 CET