Re: Database design, Keys and some other things
From: paul c <toledobythesea_at_oohay.ac>
Date: Wed, 28 Sep 2005 01:37:07 GMT
Message-ID: <7tm_e.566749$s54.120224_at_pd7tw2no>
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> No; read Codd's definiiton of a surrogate key.
Date: Wed, 28 Sep 2005 01:37:07 GMT
Message-ID: <7tm_e.566749$s54.120224_at_pd7tw2no>
-CELKO- wrote:
>>>A VIN, a bank account number, and an SSN are all surrogate keys. <<
>
>
> No; read Codd's definiiton of a surrogate key.
could you please tell me where this definiiton can be found?
thanks,
paul c.
Received on Wed Sep 28 2005 - 03:37:07 CEST