Posted by Ed Murphy on 09/27/07 02:29

--CELKO-- wrote:

>>> He can add REFERENCES clauses (once he figures out which ones should be added, and cleans up any existing exceptions), surely? <<
>
> Then he will have mimicked a 1970's pointer chain DB in SQL instead of
> making this a properly designed RDBMS.
>
> For example, if I use an VIN for an automobile, I can verify the VIN
> by going to the automobile, the DMV, insurance company, etc. But if I
> use a GUID (or any other hardware generated value), I have no trusted
> external source for verification.
>
> I do not have a good way to validate it, in fact. The magical
> universal GUID might be used for an automobile, a squid or Britney
> Spears!

Other than size, is this significantly different from any other type
of artificial record key, e.g. INT IDENTITY?

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