Re: A pk is *both* a physical and a logical object.
From: David Cressey <cressey73_at_verizon.net>
Date: Mon, 30 Jul 2007 11:18:46 GMT
Message-ID: <qOjri.5936$Lu4.4030_at_trndny03>
Date: Mon, 30 Jul 2007 11:18:46 GMT
Message-ID: <qOjri.5936$Lu4.4030_at_trndny03>
"Brian Selzer" <brian_at_selzer-software.com> wrote in message
news:44eri.25057$RX.13408_at_newssvr11.news.prodigy.net...
> I disagree totally. Keys can be the target of an update. Propositions
This is pretty much meaningless. Temperatures can be summed. That doesn't
mean that the result is meaningful. If fact, one sums a collection of
temperatures as an intermediate step in calculating the average temperature.
are
> not removed or replaced: they are assigned a different truth value. And
it
> is the referents of the propositions that bind them.
So, what does it mean when a key is updated? Received on Mon Jul 30 2007 - 13:18:46 CEST