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Oracle® Database Express Edition 2 Day Plus Application Express Developer Guide
Release 2.1

Part Number B25310-01
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Oracle Database Express Edition 2 Day Plus Application Express Developer Guide contains tutorials with step-by-step instructions that explain how to create a variety application components and complete applications using the Oracle Application Express client within Oracle Database Express Edition (Oracle Database XE).

This preface contains these topics:


Oracle Database Express Edition 2 Day Plus Application Express Developer Guide is intended for application developers who wish to learn how to build database-centric Web applications using the Oracle Application Express client. To use this guide, you need to have a general understanding of relational database concepts, the operating system environment under which you are running the Oracle Application Express client, and Application Builder.

What is Application Builder? Application Builder is a powerful tool that enables you to quickly assemble an HTML interface (or application) on top of database objects such as tables and procedures. Prior to completing these tutorials, please review:

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. Accessibility 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 more information, visit the Oracle Accessibility Program Web site at

Accessibility of Code Examples in Documentation

Screen readers 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, some screen readers 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.

Related Documents

For more information, see these Oracle resources:

For the most recent version of the Oracle Database Express Edition documentation, see the Oracle Database XE online library:


The following text conventions are used in this document:

Convention Meaning
boldface Boldface type indicates graphical user interface elements associated with an action, or terms defined in text or the glossary.
italic Italic type indicates book titles, emphasis, or placeholder variables for which you supply particular values.
monospace Monospace type indicates commands within a paragraph, URLs, code in examples, text that appears on the screen, or text that you enter.