Re: So what's null then if it's not nothing?
From: Anne & Lynn Wheeler <lynn_at_garlic.com>
Date: Mon, 21 Nov 2005 10:41:25 -0700
Message-ID: <m3veyl5262.fsf_at_lhwlinux.garlic.com>
Date: Mon, 21 Nov 2005 10:41:25 -0700
Message-ID: <m3veyl5262.fsf_at_lhwlinux.garlic.com>
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/Received on Mon Nov 21 2005 - 18:41:25 CET