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The Many Uses of Coalesce in SQL Server

Many times people come across the Coalesce function and think that it is just a more powerful form of ISNULL. In actuality, I have found it to be one of the most useful functions with the least documentation. In this tip, I will show you the basic use of Coalesce and also some features you probably never new existed.

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Secure Communications

As of June 2026, what is the best version of TLS to use with SQL Server?

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