Re: Examples of SQL anomalies?
Date: Thu, 03 Jul 2008 11:21:04 -0300
David Cressey wrote:
> "Gene Wirchenko" <genew_at_ocis.net> wrote in message
>>"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
>>>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.
It's not a value. It is, however, a datum. It is information encoded suitably for machine processing even if the machine processing is inconsistent and poor machine processing. Received on Thu Jul 03 2008 - 16:21:04 CEST