Re: Natural keys vs Aritficial Keys
From: Bob Badour <bbadour_at_pei.sympatico.ca>
Date: Thu, 02 Jul 2009 17:56:00 -0300
Message-ID: <4a4d1ee3$0$23742$9a566e8b_at_news.aliant.net>
>>>Isn't any key that partially relies on a date/time field thereby
>>>partially artificial?
>>
>>All keys are equally artificial. They are after all artifices for
>>identifying things. Your own name is an artifice chosen by your parents
>>and to which you were conditioned to respond. Unless your name is George
>>Foreman or Prince Michael, it was chosen to be somewhat unique for your
>>parents' ease of reference.
>
> If all keys are equally artificial, is a natural key then artificial?
Date: Thu, 02 Jul 2009 17:56:00 -0300
Message-ID: <4a4d1ee3$0$23742$9a566e8b_at_news.aliant.net>
lawpoop wrote:
> On Jul 2, 11:24 am, Bob Badour <bbad..._at_pei.sympatico.ca> wrote: >
>>>Isn't any key that partially relies on a date/time field thereby
>>>partially artificial?
>>
>>All keys are equally artificial. They are after all artifices for
>>identifying things. Your own name is an artifice chosen by your parents
>>and to which you were conditioned to respond. Unless your name is George
>>Foreman or Prince Michael, it was chosen to be somewhat unique for your
>>parents' ease of reference.
>
> If all keys are equally artificial, is a natural key then artificial?
Of course. Natural keys are just familiar surrogates. Received on Thu Jul 02 2009 - 22:56:00 CEST