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Re: The BOOLEAN data type

From: andrewst <member14183_at_dbforums.com>
Date: Wed, 02 Apr 2003 10:30:41 +0000
Message-ID: <2719298.1049279441@dbforums.com>

Originally posted by Wangkhar
> On the true false unknown null question.
>
> There is a definite difference between unknown and null.
>
> Unknown (to me at least) suggests you Dont Know. Null itself suggests
> you dont know whether you know or not.
>
> as it were...
>
> its a literal null state of knowledge, as opposed to unknown which is
> a positive denial of knowledge.
>
> try posting in a philosophy group for a serious answer on that one....
>
>
> :P is there a database.philosophy group out there?
>

I like it. Maybe we need further Boolean values like IKNOWBUTIMNOTSAYING and MAYBEIKNOWMAYBEIDONT and IBELIEVEITSTRUEBUTNOT100%CERTAIN, ...

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Received on Wed Apr 02 2003 - 04:30:41 CST

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