Re: Multiple-Attribute Keys and 1NF
From: Neo <neo55592_at_hotmail.com>
Date: Mon, 03 Sep 2007 21:05:50 -0700
Message-ID: <1188878750.375050.78170_at_y42g2000hsy.googlegroups.com>
Date: Mon, 03 Sep 2007 21:05:50 -0700
Message-ID: <1188878750.375050.78170_at_y42g2000hsy.googlegroups.com>
> What would be wrong with a second color that is not nullable?
>
> Type Color1 Color2
> ====== ====== ======
> live Brown Brown
> live Red Red
> neutral Black Black
> neutral Blue Blue
> earth Green Yellow
Redundancy. Received on Tue Sep 04 2007 - 06:05:50 CEST