Re: General semantics
Date: Sat, 22 May 2010 22:57:45 -0400
Message-ID: <QJidnTjMlt83BGXWnZ2dnUVZ_tednZ2d_at_giganews.com>
"Clifford Heath" <no_at_spam.please.net> wrote in message
news:4bf85b9f$0$12241$afc38c87_at_news.optusnet.com.au...
> Mr. Scott wrote:
>> You're oversimplifying. It is not necessary for keys to be permanent
>> identifiers. Just because a tuple contains *within itself* a key doesn't
>> necessarily mean that that key permanently identifies an object in the
>> domain.
>
> I didn't make that over-simplification. You just assumed it. I never said
> "permanently".
>
I'm sorry. I misunderstood.
> Since you bring up a warehouse model, have a look at this ORM/CQL model
> and the SQL for it:
> <http://dataconstellation.com/ActiveFacts/examples/index.shtml#Warehousing>
> It doesn't have the Aisle/Bin thing, but it has many similar cases.
Received on Sun May 23 2010 - 04:57:45 CEST