Re: The BOOLEAN data type

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

--
Posted via http://dbforums.com
Received on Wed Apr 02 2003 - 12:30:41 CEST

Original text of this message