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SQLWise

Timothy A Wiseman is a Database Administrator for SAIC with a focus on efficiency and readability of the database and its surrounding ecosystem. In addition to administering the core SQL Server system, he has experience working with Python and Microsoft Access in conjunction with SQL Server. He holds a Bachelor's of Science in Mathematics as well as an MCDBA and MCITP.

Archives: August 2013

SQL Server Three Valued Logic and Ansi Nulls

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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Posted in SQLWise on 21 August 2013