Re: Hospital ERD
From: Alan <alan_at_erols.com>
Date: Thu, 5 Feb 2004 09:37:39 -0500
Message-ID: <bvtkfe$1075hf$1_at_ID-114862.news.uni-berlin.de>
Date: Thu, 5 Feb 2004 09:37:39 -0500
Message-ID: <bvtkfe$1075hf$1_at_ID-114862.news.uni-berlin.de>
The questions is about ERDs. ERDs do not contain tables, they contain
entities and relationships, as well as certain constraints on these.
"Mike Sherrill" <MSherrillnonono_at_compuserve.com> wrote in message
news:lab42010rb2tbf1m5d04100if8q1o83ld4_at_4ax.com...
> On Wed, 4 Feb 2004 20:12:50 +1000, "Peter Mount"
> <info_at_petermount.au.com> wrote:
>
> >The theory being it's best to keep related data in only one table
>
> It's best to keep related data in related tables.
>
> --
> Mike Sherrill
> Information Management Systems
Received on Thu Feb 05 2004 - 15:37:39 CET