Re: Attribute Value Attributes, Fuzzy Sets, & Color-coded Data
From: Jan Hidders <jan.hidders_at_REMOVETHIS.pandora.be>
Date: Mon, 19 Apr 2004 22:53:12 GMT
Message-ID: <sLYgc.78502$XI6.5306457_at_phobos.telenet-ops.be>
Date: Mon, 19 Apr 2004 22:53:12 GMT
Message-ID: <sLYgc.78502$XI6.5306457_at_phobos.telenet-ops.be>
Dawn M. Wolthuis wrote:
>
> So, the proposition becomes:
>
> John Doe ordered a pizza on 10JAN04 and his last name was updated last by
> Martha Stewart on 12NOV02 while the date was updated last by Bob Dylan on
> 10JAN04 at 6:30PM etc
>
> rather than the simpler:
> John Doe ordered pizza on 10JAN04
>
> Is there any database theory that does not treat the attributes of attribute
> values as if they were the same as attributes about the main subject?
Yes, classical normalization theory in the relational model does. Just apply it to the example above and see what happens.
- Jan Hidders