In Part1 article I’ve described the need for compression in SQL Server and also gave a brief on Compression enhancement overview. As a next step, in this article I’m going to describe the existing compression techniques, overview of basic compression techniques and goal of compression. Now the questions hits your mind is, why do we need to know the basic techniques? First we need to understand the basic compression techniques available and how it works, this will be the base to understand the compression technique used in SQL Server.
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