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IBM Redbooks

DB2 for z/OS and OS/390: Ready for Java

An IBM Redbooks publication

Note: This is publication is now archived. For reference only.

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Published on 03 December 2003, updated 22 December 2004

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ISBN-10: 0738427853
ISBN-13: 9780738427850
IBM Form #: SG24-6435-00

Authors: Bart Steegmans, Ulrich Gehlert, Judy Ruby-Brown and Paul Tainsh

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    Abstract

    The earth is flat!

    The earth is the center of the universe!

    Men shall never fly!

    Java will never work properly on the mainframe!

    All four statements had a lot of advocates for a long time, but all of them turned out to be wrong.

    In this IBM Redbooks publication we show how Java and DB2 for z/OS and OS/390 can work together and form a strong combination that can run your mission-critical enterprise applications. This publication focusses on the new IBM Universal Driver for SQLJ and JDBC, IBM’s new JDBC driver implementation, supporting both Type 2 and Type 4 driver connectivity to the members of the DB2 family, including DB2 for z/OS, and DB2 for Linux, Unix and Windows.

    This publication provides guidance on the different ways to set up your environment to hook a Java program up to a DB2 for z/OS subsystem, through JDBC or SQLJ, using the Type 2 driver and the Type 4 driver.

    We provide an SQLJ tutorial, and demonstrate how to develop and deploy SQLJ programs using the new SQLJ support functions that became available with WebSphere Studio Application Developer V5.1.

    We demonstrate the use of Java and DB2 using native Java programs, as well as through the use of Servlets and JSPs running on a WebSphere Application Server.

    Table of Contents

    Part 1. Introduction

    Chapter 1. A brief history of Java

    Chapter 2. An introduction to Java 2 Enterprise Edition

    Chapter 3. Accessing DB2 from Java

    Part 2. Prerequisites and setup

    Chapter 4. Products and levels - Now and soon

    Chapter 5. Setup

    Part 3. Putting it all together

    Chapter 6. Getting started with JDBC

    Chapter 7. JDBC revisited

    Chapter 8. Getting started with SQLJ

    Chapter 9. The SQLJ program preparation process

    Chapter 10. SQLJ tutorial and reference

    Chapter 11. SQLJ revisited

    Chapter 12. The DB2 Universal Driver

    Chapter 13. Performance topics

    Chapter 14. Error handling and diagnosis

    Part 4. Accessing DB2 from Web applications

    Chapter 15. Using Servlets to access DB2

    Chapter 16. JavaServer Pages

    Part 5. Appendixes

    Appendix A. SQLSTATE categories

    Appendix B. Source code of sample programs

    Appendix C. Additional material

     

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