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  SQL Server Tips by Gama and Naughter


Mean, Median and Modal with SPís

Sometimes the choice of an algorithm depends on the data source, number of rows, complexity of relationships or joins used in a query, complexity of calculated columns, data type peculiarities, etc. This can be a hard task when there is no real world data for testing, the data is scarce or its changes unpredictable, the data structure might change, the number of users is unknown, index columns might change, etc. This is what makes database design and development an art. The examples for this section use the Pubs database.

The above book excerpt is from:

Super SQL Server Systems
Turbocharge Database Performance with C++ External Procedures

ISBN: 0-9761573-2-2
Joseph Gama, P. J. Naughter


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