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  • Book Overview & Buying Creating your MySQL Database: Practical Design Tips and Techniques
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Creating your MySQL Database: Practical Design Tips and Techniques

Creating your MySQL Database: Practical Design Tips and Techniques

By : Delisle
3.5 (2)
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Creating your MySQL Database: Practical Design Tips and Techniques

Creating your MySQL Database: Practical Design Tips and Techniques

3.5 (2)
By: Delisle
Buy this Book

Overview of this book

For most of us, setting up the database for an application is often an afterthought. While you don't need to be a professional database designer to create a working application, knowing a few insider tips and techniques can make both the process easier and the end result much more effective. This book doesn't set out to make you an expert in data analysis, but it does provide a quick and easy way to raise your game in this essential part of getting your application right.
Table of Contents (12 chapters)
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Creating your MySQL Database: Practical Design Tips and Techniques
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Creating your MySQL Database: Practical Design Tips and Techniques
Credits
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Credits
About the Author
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About the Author
About the Reviewer
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About the Reviewer
Preface
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Preface
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1
Introducing MySQL Design
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Introducing MySQL Design
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MySQL's Popularity and Impact
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Data as a Resource
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Data Modeling
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Case Study
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The Tale of the Too Wide Table
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Summary
2
Data Collecting
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Data Collecting
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System Boundaries Identification
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Document Gathering
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Interviews
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Data Collected for our Case Study
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Summary
3
Data Naming
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Data Naming
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Data Cleaning
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Subdividing Data Elements
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Data that are Results
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Data as a Column's or Table's Name
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Planning for Changes
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Naming Recommendations
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Summary
4
Data Grouping
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Data Grouping
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Initial List of Tables
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Rules for Table Layout
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Improving the Structure
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Validating the Structure
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Summary
5
Data Structure Tuning
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Data Structure Tuning
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Data Access Policies
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Storage Engines
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Performance
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In-Column Data Encoding
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Case Study's Final Structure
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Summary
6
Supplemental Case Study
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Supplemental Case Study
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Results from the Document Gathering Phase
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Preliminary List of Data Elements
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Tables and Sample Values
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Airline System Data Schema
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Sample Queries
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Summary
1
Index
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Index

Performance

A number of points must be examined if we want to improve our structure's efficiency in terms of access speed or disk space used.

Indexes

Adding indexes on columns that are used in a WHERE clause is a common way of speeding up the queries. Let's say that we intend to find all vehicles for a specific brand. The vehicle table has a brand_id column and we want to create an index on this column. In this case, the index won't be unique because each brand is represented by many vehicles.

Using phpMyAdmin, there are two ways to create an index. First, if the index applies to a single column, we can open the Structure page for a table and click the index (flash) icon on the same line as the brand_id column:

This generates the following statement:

ALTER TABLE `vehicle` ADD INDEX(`brand_id`)

We could also create an index on a composite key, for example model_id plus year. For this, we enter the number of columns for our index (two) on the Structure page and hit Go.

Next, on the index management...

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Tech Concepts
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Programming languages
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