Nando Dessena wrote:

>Jim,
>
>
>
>>>I think of it as a de-nullified '=' operator.
>>>
>>>
>
>J> That really a very negative attitude!
>
>If I had a denullifying spray I'd spread it all over my databases.
>Having a way to represent missing or unknown values is one thing,
>three-state boolean algebra is a different matter. Ah, those
>committees...
>
>
>
>

Sorry, the null rules are dictated by pure mathematics. The DEC JRD
implemented them long before the SQL committee was inflicted on an
innocent world.

--

Jim Starkey
Netfrastructure, Inc.
978 526-1376



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