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Learning Corner #6 – Grouping sets in SQL Server

Grouping sets in SQL Server always comes into handy when you find yourself in the need to perform data aggregation based on groups. The groups are made by defining a set of attributes that the engine will use to split the data.

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Learning Corner #5 – Logical Query Processing 101

One thing I believe it’s important for everyone who is interested in the database business is the way logical query processing works. And it’s interesting to observe that even some experienced developers have problems interpreting how a query gets processed by SQL Server. In this article, I intend to explain the best I can how Read More