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MySQL and Java Developer's Guide
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MySQL and Java
Developer’s Guide
Mark Matthews
Jim Cole
Joseph D. Gradecki
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Publisher: Robert Ipsen
Copyeditor: Elizabeth Welch
Editor: Robert M. Elliott
Proofreader: Nancy Sixsmith
Managing Editor: Vincent Kunkemueller
Compositor: Gina Rexrode
Book Producer: Ryan Publishing Group, Inc.
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trademarks and registration.
This book is printed on acid-free paper.
∞
Copyright © 2003 by Wiley Publishing, Inc. All rights reserved.
Published by Wiley Publishing, Inc., Indianapolis, Indiana
Published simultaneously in Canada.
No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any
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available in electronic books.
Library of Congress Cataloging-in-Publication Data:
Matthews, Mark.
MySQL and Java developer’s guide / Mark Matthews.
p. cm.
ISBN 0-471-26923-9 (PAPER/WEBSITE)
1. SQL (Computer program language) 2. Java (Computer program
language) I. Title.
A76.3.S67M38 2003
005.75’65—dc21
2002155887
Printed in the United States of America
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CONTENTS
Acknowledgments
xi
About the Authors
xiii
Introduction
xv
Chapter 1 An Overview of MySQL
1
Why Use an RDBMS?
2
Multiuser Access
2
Storage Transparency
2
Transactions
3
Searching, Modifying, and Analyzing Data
4
Ad Hoc Queries
5
Why Choose MySQL?
5
MySQL and JDBC
7
What’s Next
8
Chapter 2 JDBC and Connector/J
9
What Is JDBC?
9
What about ODBC?
10
Modeling Database Applications with JDBC
11
JDBC Versions
13
JDBC Driver Types
13
SQL Standards
14
Examining the JDBC Interface
15
The java.sql Package
15
The javax.sql Package
18
Understanding Connector/J
21
JDBC Support within 3.0.1
22
Obtaining JDBC Drivers
24
What’s Next
24
Chapter 3 Working with MySQL SQL
25
What Is a Database?
25
Database Models
27
Data Types
29
Designing a Database
29
Introducing MySQL SQL
32
Overview of MySQL
33
Creating Databases
34
Creating Tables
35
Inserts
39
Selects
40
SELECT Statement Extensions
42
iii
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iv
Contents
Updates
47
Deletes
50
Using SHOW
51
More on Tables
53
Transactions
55
Functions/Operators
56
Joins
56
NULL
59
What’s Next
59
Chapter 4 Installing MySQL, Java, and Connector/J
61
Installing MySQL
61
Linux Installation
62
Windows Installation
63
All Other Installations
63
Installing Java
64
Testing the Java Installation
64
Installing Connector/J
65
Testing the Connector/J Installation
66
What’s Next
66
Chapter 5 Using JDBC with Java Applications and Applets
67
Hello World
67
Loading the Connector/J Driver
69
Using DriverManager to Connect to a Database
69
Executing Queries Through Statement Objects
75
Using the ResultSet Object
78
Determining the Cursor Position
79
Moving the Cursor
79
Getter Methods
80
Primitive Getters
82
Closing the Objects
85
Making It Real
85
Our Main Function
88
The init() Method
89
The buildGUI() Method
89
Executing a Query with No Results
91
Deleting Database Rows
97
Updating Database Rows
99
CREATE TABLE
101
DROP TABLE
101
Disconnecting from the Database
103
Advanced ResultSet Manipulation
104
One Step Forward
113
One Step Back
114
Fast-Forward to the End
114
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