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Programming WebLogic JDBC

# Introduction and Roadmap

This section describes the contents and organization of this guide—Programming WebLogic JDBC.

- Document Scope and Audience
- Guide to this Document
- Related Documentation
- JDBC Samples and Tutorials
- New and Changed JDBC Features in This Release

# Document Scope and Audience

This document is a resource for software developers and system administrators who develop and support applications that use the Java Database Connectivity (JDBC) API. It also contains information that is useful for business analysts and system architects who are evaluating WebLogic Server. The topics in this document are relevant during the evaluation, design, development, pre-production, and production phases of a software project.

It is assumed that the reader is familiar with J2EE and EJB concepts. This document emphasizes the value-added features provided by WebLogic Server EJBs and key information about how to use WebLogic Server features and facilities to get an EJB application up and running.

# Guide to this Document

- This chapter, Chapter 1, "Introduction and Roadmap," introduces the organization of this guide.
- Using WebLogic JDBC in an Application, which explains how to use a JDBC connection in your application.
- Performance Tuning Your JDBC Application, which describes how to design JDBC connection usage in your applications for the best performance.
- Using WebLogic Wrapper Drivers, which describes how to use some alternative drivers for getting a JDBC connection from a data source.
- Using Third-Party Drivers with WebLogic Server, which describes special programming considerations for third-party drivers in your applications.
- Using RowSets with WebLogic Server, which describes how to use rowsets in your applications.
- Troubleshooting JDBC, which describes some common JDBC problems and solutions.

# Related Documentation

This document contains JDBC-specific programming information.

For comprehensive guidelines for developing, deploying, and monitoring WebLogic Server applications, see the following documents:

- Configuring and Managing WebLogic JDBC is a guide to JDBC configuration and management for WebLogic Server.
- Developing Applications with WebLogic Server is a guide to developing WebLogic Server applications.
- Deploying Applications to WebLogic Server is the primary source of information about deploying WebLogic Server applications in development and production environments.

# JDBC Samples and Tutorials

In addition to this document, BEA Systems provides a variety of JDBC code samples and tutorials that show JDBC configuration and API use, and provide practical instructions on how to perform key JDBC development tasks.

## Avitek Medical Records Application (MedRec) and Tutorials

MedRec is an end-to-end sample J2EE application shipped with WebLogic Server that simulates an independent, centralized medical record management system. The MedRec application provides a framework for patients, doctors, and administrators to manage patient data using a variety of different clients.

MedRec demonstrates WebLogic Server and J2EE features, and highlights BEA-recommended best practices. MedRec is included in the WebLogic Server distribution, and can be accessed from the Start menu on Windows machines. For Linux and other platforms, you can start MedRec from the `WL_HOME\samples\domains\medrec` directory, where `WL_HOME` is the top-level installation directory for WebLogic Platform.

## JDBC Examples in the WebLogic Server Distribution

WebLogic Server 9.1 optionally installs API code examples in `WL_HOME\samples\server\examples\src\examples`, where `WL_HOME` is the top-level directory of your WebLogic Server installation. You can start the examples server, and obtain information about the samples and how to run them from the WebLogic Server 9.1 Start menu.

## Additional JDBC Examples Available for Download

Additional API examples for download at http://codesamples.projects.dev2dev.bea.com. These examples are distributed as ZIP files that you can unzip into an existing WebLogic Server samples directory structure.

You build and run the downloadable examples in the same manner as you would an installed WebLogic Server example. See the download pages of individual examples for more information at `https://codesample.projects.dev2dev.bea.com`.

# New and Changed JDBC Features in This Release

For a list of new and changed features in this release, see Configuring and Managing WebLogic JDBC.