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Database Normalization And Design Techniques


What is database normalization and how does it apply to us? In this article Barry teaches us the best way to structure our database for typical situations.

Author Info:
By: Barry Wise
Rating: 5 stars5 stars5 stars5 stars5 stars / 57
January 09, 2003
TABLE OF CONTENTS:
  1. · Database Normalization And Design Techniques
  2. · Zero Form
  3. · Second Form
  4. · Data Relationships
  5. · Fourth Normal Form
  6. · Conclusion

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Database Normalization And Design Techniques
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One of the most important factors in dynamic web page development is database definition. If your tables are not set up properly, it can cause you a lot of headaches down the road when you have to perform miraculous SQL calls in your PHP code in order to extract the data you want.

By understanding data relationships and the normalization of data, you will be better prepared to begin developing your application in PHP.

Whether you work with mySQL or Oracle, you should know the methods of normalizing the table schema in your relational database system.
They can help make your PHP code easier to understand, easier to expand upon, and in some cases, actually speed up your application.

Basically, the Rules of Normalization are enforced by eliminating redundancy and inconsistent dependency in your table designs.

I will explain what that means by examining the five progressive steps to normalization you should be aware of in order to create a functional and efficient database.

I'll also detail the types of relationships your data structure can utilize.
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