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Home -> Community -> Usenet -> comp.databases.theory -> Re: The BOOLEAN data type
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, ...
-- Posted via http://dbforums.comReceived on Wed Apr 02 2003 - 04:30:41 CST
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