Re: How to code a supertype subtype relationship

From: Mike Sherrill <MSherrillnonono_at_compuserve.com>
Date: Sat, 27 Mar 2004 10:10:09 -0500
Message-ID: <n76b60dt5baaojdcnscraoljbbu2lj09i2_at_4ax.com>


On 26 Mar 2004 12:36:58 -0800, bogstonkott_at_netscape.net wrote:

>An
>existing data model is being converted here. The historical data must
>be preserved. Compromises must be made.

Are you under the impression that a) converting an existing logical model and implementation, and b) preserving historical data *requires* compromises in the new logical model? In the new implementation?

-- 
Mike Sherrill
Information Management Systems
Received on Sat Mar 27 2004 - 16:10:09 CET

Original text of this message