Re: So what's null then if it's not nothing?

ref
http://www.garlic.com/~lynn/2005t.html#20 So what's null then if it's not nothing? http://www.garlic.com/~lynn/2003g.html#40 How to cope with missing values - NULLS?

aka ... one of the big hang ups from an operational standpoint ... isn't so much the nulls themselves ... it is that the results of 3-value logic query operations frequently aren't what people would have expected ... aka not being able to predict how a tool will behave frequently limits the usefullness of the tool.

-- 
Anne & Lynn Wheeler | http://www.garlic.com/~lynn/