This Preface contains these topics:

Documentation Accessibility

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Related Documents

For more information, see these Oracle resources:

Many of the examples in this documentation are provided with your software in the following directories:

  • $ORACLE_HOME/xdk/demo/java/

  • $ORACLE_HOME/xdk/demo/c/

  • $ORACLE_HOME/xdk/java/sample/

  • $ORACLE_HOME/rdbms/demo

Many of the examples in this book use the sample schemas, which are installed by default when you select the Basic Installation option with an Oracle Database installation. Refer to Oracle Database Sample Schemas for information on how these schemas were created and how you can use them yourself.

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

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

For additional information about XML, see:


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