Re: Modelling Disjoint Subtypes
From: Marshall <marshall.spight_at_gmail.com>
Date: 25 Mar 2007 07:37:20 -0700
Message-ID: <1174833440.531484.160810_at_y66g2000hsf.googlegroups.com>
> Isn't this discussion another variation of the "generalization
> specialization" discussion we have every now and then? It seems that at
> least once a month we get a visitor that wants to model that, and build some
> tables that are suitable for manipulating data.
Date: 25 Mar 2007 07:37:20 -0700
Message-ID: <1174833440.531484.160810_at_y66g2000hsf.googlegroups.com>
On Mar 24, 8:24 pm, "David Cressey" <cresse..._at_verizon.net> wrote:
>
> Isn't this discussion another variation of the "generalization
> specialization" discussion we have every now and then? It seems that at
> least once a month we get a visitor that wants to model that, and build some
> tables that are suitable for manipulating data.
Exactly so.
Marshall Received on Sun Mar 25 2007 - 16:37:20 CEST