May 2009
Beginner
840 pages
16h 18m
English
book
Sams Teach Yourself SQL in One Hour a Day, Fifth Edition
by Ryan Stephens, Ron Plew, Arie D. Jones
Content preview from Sams Teach Yourself SQL in One Hour a Day, Fifth Edition
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LESSON 8Database Normalization
In this lesson you will learn how to break up a raw collection of data into more logical units, or tables, to reduce the occurrence of redundant data in the database. This process of reducing data redundancy is referred to as normalization. We will also discuss the advantages and disadvantages of a normalized database versus a normalized database that has been denormalized, as well as data integrity and performance issues that pertain to normalization.
By the end of this lesson, you should understand and be able to apply the following concepts:
• Normalization
• Benefits of normalization
• Denormalization
• Guidelines of normalization
• The three normal forms
Normalizing a Database
Normalization is the process ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.