Re: What are the design criteria for primary keys?

From: Bob Badour <bbadour_at_pei.sympatico.ca>
Date: Mon, 06 Sep 2010 19:56:38 -0300
Message-ID: <4c8571b3$0$11843$9a566e8b_at_news.aliant.net>


Gene Wirchenko wrote:

> On Fri, 03 Sep 2010 23:28:04 -0300, Bob Badour
> <bbadour_at_pei.sympatico.ca> wrote:
>
> [snip]
>

>>Try living with an address that has a street #, a phase # and a suite #. 
>>I cannot count how many idiotic programmers wrote code that threw away 
>>key parts of my address when I had one like that.

>
> What is a "phase #", please? A quick Web search got me nothing.
Imagine 2 or 3 towers in a condominium development. Phase 1 gets built
first, Phase 2 gets built second and the developer abandons Phase 3 before it's finished because the real estate market went soft.

Now, imagine they are joined at the base with a single entrance and a single street number. Received on Tue Sep 07 2010 - 00:56:38 CEST

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