Re: two nasty schemata, union types and surrogate keys
From: paul c <toledobythesea_at_oohay.ac>
Date: Fri, 25 Sep 2009 23:51:41 GMT
Message-ID: <hIcvm.46588$PH1.27780_at_edtnps82>
Date: Fri, 25 Sep 2009 23:51:41 GMT
Message-ID: <hIcvm.46588$PH1.27780_at_edtnps82>
Sampo Syreeni wrote:
> Still, to return to my original point, what do y'all think about the
> encoding of facts such as "yes, there are two separate persons called
> John Smith, and no, we don't have any more information about them as
> persons, yet given their sets of cars owned, the one with a Ferrari
> and the one with a Lamborghini are two different persons"?
> ...
Since all I usually care about is theory, it's fine by me. But I might feel differently if my name were John Smith and would probably switch to a different repair shop. Received on Sat Sep 26 2009 - 01:51:41 CEST