ST Alpha - ""NULL" is a special value in SQL that invalidates logical comparisons. '' is just an empty string. -- nm" (Reading a Post)

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In response to "Computer / SQL question: Why would something with no value (e.g. '') *not* be Null?" by JaxSean

"NULL" is a special value in SQL that invalidates logical comparisons. '' is just an empty string. -- nm

Posted by Beryllium (aka grayman) Nov 19 '09, 11:23

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(this isn't really an explanation of why, but it is an explanation of how to deal with it) -- (link) - Beryllium Nov 19, 11:25

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