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Home -> Community -> Usenet -> comp.databases.theory -> Re: So what's null then if it's not nothing?
Jon Heggland wrote:
[...]
> "Whatever" should IMO include the (very fundamental) boolean domain, so
> NULL in the context of boolean should also mean an unknown/missing
> value.
Did not notice that at first. Using NULL and Boolean in the same sentence is as wrong as one can get. Boolean [algebra/logic/whatever] means that one talks abot the 2VL propositional logic, any other logical constant simply does not belong there. Received on Sun Dec 04 2005 - 16:56:23 CST
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