Re: Examples of SQL anomalies?
From: David Cressey <cressey73_at_verizon.net>
Date: Thu, 03 Jul 2008 13:30:52 GMT
Message-ID: <gw4bk.133$Z11.87_at_trndny05>
Date: Thu, 03 Jul 2008 13:30:52 GMT
Message-ID: <gw4bk.133$Z11.87_at_trndny05>
"Gene Wirchenko" <genew_at_ocis.net> wrote in message
news:rlin64punqm3lhsl79ls0rmt46kp9atbtb_at_4ax.com...
> "David Cressey" <cressey73_at_verizon.net> wrote:
>
> >"Gene Wirchenko" <genew_at_ocis.net> wrote in message
>
> [snip]
>
> >> Null is the misleading datum.
> >
> >Except that null isn't a datum. If you consider it a datum, that may be
why
> >you are misled.
>
> Null is a datum. It is not a value.
No, a marker indicating that a datum is missing is not a datum. At best, it's a metadatum. Received on Thu Jul 03 2008 - 15:30:52 CEST