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Oracle® Database Java Developer's Guide
10g Release 1 (10.1)

Part Number B12021-01
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Who Should Read This Book?

This book has been written for the following audiences:


This document contains the following chapters:

Chapter 1, "Introduction to Java in Oracle Database"

Gives an overview of how to develop, load, and execute Java applications in the database.

Chapter 2, "Java Applications on Oracle Database"

Describes the basic differences for writing, installing, and deploying Java applications within Oracle Database.

Chapter 3, "Invoking Java in the Database"

Gives an overview and examples of how to invoke Java within the database.

Chapter 4, "Java Installation and Configuration"

Describes what you need to know to install and configure OracleJVM within your database.

Chapter 5, "Developing Java Stored Procedures"

Describes stored procedures, which open the Oracle RDBMS to all Java programmers.

Chapter 6, "Publishing Java Classes With Call Specs"

Describes how to publish the methods with call specifications (call specs), which map Java method names, parameter types, and return types to their SQL counterparts.

Chapter 7, "Calling Stored Procedures"

Demonstrates how to call Java stored procedures in various contexts.

Chapter 8, "Java Stored Procedures Application Example"

Demonstrates the building of a Java stored procedures application.

Chapter 9, "Security For Oracle Database Java Applications"

Details the security support available for Java applications within Oracle Database.

Chapter 10, "Oracle Database Java Application Performance"

Describes how to increase Java application performance with natively compiled code Java memory usage.

Chapter 11, "Schema Object Tools"

Describes the schema object tools to use in the Oracle Database Java environment.

Chapter 12, "Database Web Services"

Describes Database Web Services and Web Services callouts.

Appendix A, "DBMS_JAVA Package"

Describes the DBMS_JAVA package.


Defines specialized terms.

Java API Programming Models

The building blocks that Java developers use in Oracle Database are as follows:

Each of these models is briefly discussed in Chapter 1, "Introduction to Java in Oracle Database" and examples are given in Chapter 3, "Invoking Java in the Database". Both of these chapters should help you decide which model to use for your particular application. Once you decide on the appropriate model, examine the appropriate developer's guide for in-depth information on each model.

Suggested Reading

The Java Programming Language by Arnold & Gosling, Addison-Wesley
Coauthored by the originator of Java, this definitive book explains the basic concepts, areas of applicability, and design philosophy of the language. Using numerous examples, it progresses systematically from basic to advanced programming techniques.
Thinking in Java by Bruce Eckel, Prentice Hall
This book offers a complete introduction to Java on a level appropriate for both beginners and experts. Using simple examples, it presents the fundamentals and complexities of Java in a straightforward, good-humored way.
Core Java by Cornell & Horstmann, Prentice-Hall
This book is a complete, step-by-step introduction to Java programming principles and techniques. Using real-world examples, it highlights alternative approaches to program design and offers many programming tips and tricks.
Java in a Nutshell by Flanagan, O'Reilly
This indispensable quick reference provides a wealth of information about Java's most commonly used features. It includes programming tips and traps, excellent examples of problem solving, and tutorials on important features.
Java Software Solutions by Lewis & Loftus, Addison-Wesley
This book provides a clear, thorough introduction to Java and object-oriented programming. It contains extensive reference material and excellent pedagogy including self-assessment questions, programming projects, and exercises that encourage experimentation.

Online Sources

There are many useful online sources of information about Java. For example, you can view or download documentation, guides, and tutorials from the JavaSoft Web site:

Another popular Java Web site is:

Also, the following Internet news groups are dedicated to Java:

You can get the latest OracleJVM news, updates, and offerings from the Oracle Technology Network (OTN) at the following site:

In addition to try-and-buy tools, you can download JDBC drivers, SQLJ reference implementations, white papers on Java application development, and collections of frequently asked questions (FAQs).

To download free release notes, installation documentation, white papers, or other collateral, please visit OTN. You must register online before using OTN; registration is free and can be done at

If you already have a user name and password for OTN, then you can go directly to the documentation section of the OTN Web site at

Documentation Accessibility

Our goal is to make Oracle products, services, and supporting documentation accessible, with good usability, to the disabled community. To that end, our documentation includes features that make information available to users of assistive technology. This documentation is available in HTML format, and contains markup to facilitate access by the disabled community. Standards will continue to evolve over time, and Oracle is actively engaged with other market-leading technology vendors to address technical obstacles so that our documentation can be accessible to all of our customers. For additional information, visit the Oracle Accessibility Program Web site at

Accessibility of Code Examples in Documentation

JAWS, a Windows screen reader, may not always correctly read the code examples in this document. The conventions for writing code require that closing braces should appear on an otherwise empty line; however, JAWS may not always read a line of text that consists solely of a bracket or brace.

Accessibility of Links to External Web Sites in Documentation

This documentation may contain links to Web sites of other companies or organizations that Oracle does not own or control. Oracle neither evaluates nor makes any representations regarding the accessibility of these Web sites.