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Normalizing a Data Model in SQL Server 2005 and
2008
By Eric Johnson,Joshua Jones
Date: Jul 7, 2008
Sample Chapter is provided courtesy of Addison-Wesley Professional.
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This chapter gives you the tools necessary to identify the current state of your data, set your goals, and normalize (and denormalize)
your data as needed.
Data normalization is probably one of the most talked-about aspects of database modeling. Before building your data model, you
must answer a few questions about normalization. These questions include whether or not to use the formal normalization forms,
which of these forms to use, and when to denormalize.
To explain normalization, we share a little bit of history and outline the most commonly used normal forms. We don't dive very deeply
into each normal form; there are plenty of other texts that