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Home -> Community -> Usenet -> comp.databases.theory -> Re: So what's null then if it's not nothing?
michael_at_preece.net wrote:
[...]
>
> Any two variables/"fields" (of any type) with "no value at all" are,
> indeed, equal.
>
> Mike.
Cute.
So, using your valuation for equality, would a query asking for a pairwise list of people living in the same country produce a correct result if some pairs that happen to have nulls for their countries ? Received on Fri Nov 25 2005 - 07:53:24 CST
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