Re: Surrogate primary key plus unique constraint vs. natural primary key: data integrity?

From: Wolfgang Keller <feliphil_at_gmx.net>
Date: Tue, 19 Mar 2013 15:53:28 +0100
Message-ID: <20130319155328.c0704e1b52bc9c2af9d61f28_at_gmx.net>


> > > I remember when currency mapped 1:1 to country.
> >
> > It *never* did.
> >
> > Trivial counter-examples are e.g. all those tiny european nations
> > such as Liechtenstein, Andorra, San Marino, Monaco etc.
>
> Ah, right. What was it Roy said about "enterprise of interest"?
>
> Thirty years in the finanical industry will inform certain assumptions
> about which countries matter and which don't.

You bet that those countries do matter for "financial services".

If it wasn't for their "financial services", they simply wouldn't exist any more.

Sincerely,

Wolfgang Received on Tue Mar 19 2013 - 15:53:28 CET

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