Re: foreign key constraint versus referential integrity constraint

From: Bob Badour <bbadour_at_pei.sympatico.ca>
Date: Sun, 25 Oct 2009 11:44:56 -0300
Message-ID: <4ae4646b$0$23772$9a566e8b_at_news.aliant.net>


compdb_at_hotmail.com wrote:

> On Oct 24, 8:56 pm, Bob Badour <bbad..._at_pei.sympatico.ca> wrote:
>

>>What reason would one have to define an equality comparison to compare
>>employee ids with department ids or with names? Or charge with current
>>or potential? Or age with price?

>
> shoot your age and you are worth your weight in gold.

My age in what measure? Years? Integral or rational? If integral, cardinal or ordinal? According to what calendar? Received on Sun Oct 25 2009 - 15:44:56 CET

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