Stored procedures can provide major benefits in the areas of application performance, code re-use, security, and integrity. The DB2 Family of products has offered support for stored procedures for some time, with each release offering significant enhancements over the last. In the meantime, Java has been making steady inroads as the standard application development language for many companies large and small. Its inherent portability and openness, combined with the good availability of skilled programming resource, has made it an increasingly attractive choice, and the central plank in many organization's e-business strategy. Until recently, DB2 did not support stored procedures written in Java, so the advantages of the two technologies could not be combined. The latest releases of DB2 have changed all that, opening up new possibilities for efficient, secure, highly portable application development. This IBM Redbook aims to give the reader an in-depth understanding of the techniques and issues associated with the development of DB2 stored procedures written in Java and using SQLJ and/or JDBC for their SQL operations. The extensive collection of sample code presented in this book and included on the accompanying CD-ROM was designed to run against DB2 UDB Server across the OS/390, Windows, and UNIX platforms. We have assumed that the reader has at least a basic understanding of Java terminology (such as classes, methods and packages) in addition to exposure to general DB2 application development concepts.

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