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Posts: 161
In response to
"
"NULL" is a special value in SQL that invalidates logical comparisons. '' is just an empty string. -- nm
"
by
Beryllium
(this isn't really an explanation of why, but it is an explanation of how to deal with it) -- (link)
Posted by
Beryllium (aka grayman)
Nov 19 '09, 11:25
(No message)
http://www.w3schools.com/SQL/sql_null_values.asp
(www.w3schools.com)
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