Re: two nasty schemata, union types and surrogate keys

From: Bob Badour <bbadour_at_pei.sympatico.ca>
Date: Wed, 23 Sep 2009 09:39:24 -0300
Message-ID: <4aba16f4$0$23784$9a566e8b_at_news.aliant.net>



Philipp Post wrote:
>>So in the end, we'd really like a total invertible function between the entities and their representations in the database. <

>
> This wish is quite understandable, but I do not see one for the
> situation you described.

To whom did you reply? Please do not remove the attributions. Received on Wed Sep 23 2009 - 07:39:24 CDT

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