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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 : Marc 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: Marc 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

Subdividing Data Elements

In this section, we try to find out if some elements should be broken into more simple ones. The reason for doing so is that, if an element is composed of many parts, applications will have to break it for sorting and selection purposes. Thus it's better to break the elements right now at the source. Recomposing it will be easier at the application level.

Breaking the elements provides more clarity at the UI level. Therefore, at this level we will avoid (as much as possible) the well-known last-name/first-name inversion problem.

As an example for this problem, let's take the buyer's name. During the interview, we noticed that the name is expressed in various ways on the forms:

Form

How the name is expressed

Delivery certificate

Mr Joe Smith

Sales contract

Smith, Joe

We notice that

  • There is a salutation element, Mr

  • The element name is too imprecise; we really have a first name and a last name

  • On the sales contract, the comma after our last name should really be excluded...

CONTINUE READING
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Tech Concepts
36
Programming languages
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