Printed 2017/08/22 07:41AM

SQL Server Three Valued Logic and Ansi Nulls

By Timothy A Wiseman, 2013/08/21

SQL Server uses a three valued logic with True, False, and Unknown. And, normally, SQL Server Nulls are not comparable. Together that means that this little script: normally produces no results. It simply prints the standard ‘Command(s) completed successfully.’ One … Continue reading
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