Preface

This guide describes Oracle's approach for information integration in a heterogeneous environment. Specifically, it describes Oracle Database gateways.

• Audience
  
• Documentation Accessibility
  
• Related Documents
  
• Conventions
  

Audience

This guide is intended for the following users:

• Database administrators who want to manage distributed database systems that involve Oracle to non-Oracle database links

• Application developers who want to use the heterogeneous connectivity functionality in Oracle database

• Readers who want a high-level understanding of Oracle's architecture for heterogeneous connectivity and how it works

To use this guide, you must be familiar with relational database concepts and basic database or applications administration. You must be familiar with the operating system environment under which database administrators are running Oracle software.

Documentation Accessibility

For information about Oracle's commitment to accessibility, visit the Oracle Accessibility Program website at http://www.oracle.com/pls/topic/lookup?ctx=acc&id=docacc.

Access to Oracle Support

Oracle customers that have purchased support have access to electronic support through My Oracle Support. For information, visit http://www.oracle.com/pls/topic/lookup?ctx=acc&id=info or visit http://www.oracle.com/pls/topic/lookup?ctx=acc&id=trs if you are hearing impaired.

Related Documents

For more information, see the following:

• Oracle Database Concepts

• Oracle Database Administrator's Guide

• Oracle Database Development Guide

Many of the examples in this guide use the sample schemas, which are installed by default when you select the Typical install option with an Oracle Database installation. See Oracle Database Sample Schemas for information about how these schemas were created and how to use them.

Conventions

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.