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JDBC Recipes: A Problem-Solution Approach
Table of Content
Chapter 1 Introducing JDBC
Chapter 2 Exploring JDBC’s Novel Features.
Chapter 3 Making Database Connections.
Chapter 4 Making Database Connections Using DataSource
Chapter 5 Exploring the ResultSet Interface
Chapter 6 Working with Scrollable and Updatable ResultSet Objects
Chapter 7 Reading and Writing BLOBs
Chapter 8 Reading and Writing CLOBs
Chapter 9 Working with Date, Time, and Timestamp in JDBC.
Chapter 10 Handling Exceptions in JDBC
Chapter 11 Exploring the Statement
Chapter 12 Working with the PreparedStatement.
Chapter 13 Passing Input Parameters to PreparedStatement
Chapter 14 Exploring JDBC Utilities
Index
5203ch00_FM.qxd 8/12/05 12:17 PM Page i JDBC Recipes A Problem-Solution Approach Mahmoud Parsian
5203ch00_FM.qxd 8/12/05 12:17 PM Page ii JDBC Recipes: A Problem-Solution Approach Copyright © 2005 by Mahmoud Parsian All rights reserved. No part of this work may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage or retrieval system, without the prior written permission of the copyright owner and the publisher. ISBN: 1-59059-520-3 Printed and bound in the United States of America 9 8 7 6 5 4 3 2 1 Trademarked names may appear in this book. Rather than use a trademark symbol with every occurrence of a trademarked name, we use the names only in an editorial fashion and to the benefit of the trademark owner, with no intention of infringement of the trademark. Lead Editor: Steve Anglin Development Editor: Jim Sumser Technical Reviewer: Sumit Pal Editorial Board: Steve Anglin, Dan Appleman, Ewan Buckingham, Gary Cornell, Tony Davis, Jason Gilmore, Jonathan Hassell, Chris Mills, Dominic Shakeshaft, Jim Sumser Associate Publisher: Grace Wong Project Manager: Beckie Stones Copy Edit Manager: Nicole LeClerc Copy Editor: Kim Wimpsett Assistant Production Director: Kari Brooks-Copony Production Editor: Katie Stence Compositor and Artist: Kinetic Publishing Services, LLC Proofreaders: Liz Welch and Lori Bring Indexer: Tim Tate Interior Designer: Van Winkle Design Group Cover Designer: Kurt Krames Manufacturing Director: Tom Debolski Distributed to the book trade worldwide by Springer-Verlag New York, Inc., 233 Spring Street, 6th Floor, New York, NY 10013. Phone 1-800-SPRINGER, fax 201-348-4505, e-mail orders-ny@springer-sbm.com, or visit http://www.springeronline.com. For information on translations, please contact Apress directly at 2560 Ninth Street, Suite 219, Berkeley, CA 94710. Phone 510-549-5930, fax 510-549-5939, e-mail info@apress.com, or visit http://www.apress.com. The information in this book is distributed on an “as is” basis, without warranty. Although every precaution has been taken in the preparation of this work, neither the author(s) nor Apress shall have any liability to any person or entity with respect to any loss or damage caused or alleged to be caused directly or indirectly by the information contained in this work. The source code for this book is available to readers at http://www.apress.com in the Source Code section.
5203ch00_FM.qxd 8/12/05 12:17 PM Page iii This book is dedicated to my love, Behnaz; my gozal daughter, Maral; my gibldiz son, Yaseen; my mother, Monireh, and the memory of my father, Bagher.
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5203ch00_FM.qxd 8/12/05 12:17 PM Page v Contents at a Glance About the Author . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix About the Technical Reviewer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiii Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxv ■ CHAPTER 1 Introducing JDBC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 ■ CHAPTER 2 Exploring JDBC’s Novel Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 ■ CHAPTER 3 Making Database Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 ■ CHAPTER 4 Making Database Connections Using DataSource . . . . . . . . . . . . . . . . . . 153 ■ CHAPTER 5 Exploring the ResultSet Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169 ■ CHAPTER 6 Working with Scrollable and Updatable ResultSet Objects . . . . . . . . . . 209 ■ CHAPTER 7 Reading and Writing BLOBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231 ■ CHAPTER 8 Reading and Writing CLOBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257 ■ CHAPTER 9 Working with Date, Time, and Timestamp in JDBC. . . . . . . . . . . . . . . . . . 307 ■ CHAPTER 10 Handling Exceptions in JDBC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 341 ■ CHAPTER 11 Exploring the Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 381 ■ CHAPTER 12 Working with the PreparedStatement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 431 ■ CHAPTER 13 Passing Input Parameters to PreparedStatement . . . . . . . . . . . . . . . . . . 493 ■ CHAPTER 14 Exploring JDBC Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 569 INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 615 v ■
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5203ch00_FM.qxd 8/12/05 12:17 PM Page vii Contents About the Author . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xix About the Technical Reviewer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiii Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxv ■ CHAPTER 1 Introducing JDBC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1-1. What Is JDBC? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1-2. What Is JDBC’s High-Level Architecture?. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1-3. What Is JDBC’s Detailed Architecture?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1-4. What Is a Relational Database? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1-5. What Is ODBC? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1-6. What Is a JDBC-ODBC Bridge?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 1-7. What Is SQL? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 1-8. What Is JDBC Programming? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 1-9. What Is the JDBC API (in a Nutshell)?. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 1-10. What Are the Core JDBC Classes/Interfaces? . . . . . . . . . . . . . . . . . . . . . . 26 1-11. What Is a JDBC Driver? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 1-12. How Do You Load a JDBC Driver? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 1-13. How Do You Test a JDBC Driver Installation? . . . . . . . . . . . . . . . . . . . . . . . 32 1-14. Where Can You Obtain a JDBC Driver for Your Database System? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 1-15. What Is a JDBC Driver Type? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 1-16. What Types of JDBC Drivers Exist? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 1-17. What Are the Selection Criteria for JDBC Drivers?. . . . . . . . . . . . . . . . . . . 37 1-18. What Is the URL Syntax for Connecting to a Database? . . . . . . . . . . . . . . 38 1-19. What Is the Mapping Between Java to JDBC SQL Types? . . . . . . . . . . . . . 39 1-20. How Do You Handle JDBC Errors/Exceptions? . . . . . . . . . . . . . . . . . . . . . . 42 ■ CHAPTER 2 Exploring JDBC’s Novel Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 2-1. What Is Database Metadata? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 2-2. What Is a Transaction? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 2-3. How Do You Turn On Autocommit Mode?. . . . . . . . . . . . . . . . . . . . . . . . . . . 48 2-4. How Do You Turn Off Autocommit Mode?. . . . . . . . . . . . . . . . . . . . . . . . . . . 48 2-5. How Do You Roll Back a Transaction? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 vii
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