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How do I SELECT records with some of the columns having NULL value?

April 26, 2017columns null records select value

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How do I SELECT records with some of the columns having NULL value?

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Author: Heng Cao (http://www.jguru.com/guru/viewbio.jsp?EID=735111), Jan 25, 2002 The null check should be “is”, instead of “=”, “=” always return false if any of its operands is null.