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Microsoft® SQL Server 2008 R2 Unleashed
book

Microsoft® SQL Server 2008 R2 Unleashed

by Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein
September 2010
Intermediate to advanced content levelIntermediate to advanced
1704 pages
111h 8m
English
Sams
Content preview from Microsoft® SQL Server 2008 R2 Unleashed

Normalization Forms

Five normalization forms exist, represented by the symbol 1NF for first normal form, 2NF for second normal form, and so on. If you follow the rules for the first rule of normalization, your database can be described as “in first normal form.”

Each rule of normalization depends on the previous rule for successful implementation, so to be in second normal form (2NF), your database must also follow the rules for first normal form.

A typical relational database used in a business environment falls somewhere between second and third normal forms. It is rare to progress past the third normal form because fourth and fifth normal forms are more academic than practical in real-world environments.

Following is a brief description of ...

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Publisher Resources

ISBN: 9780768696585Purchase book