This guide describes Oracle's approach for information integration in a heterogeneous environment. Specifically, it describes Oracle Database gateways.
This preface contains these topics:
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.
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 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.
For more information, see the following:
Many of the examples in this guide use the sample schemas, which are installed by default when you select the Basic Installation option with an Oracle Database installation. See Oracle Database Sample Schemas for information about how these schemas were created and how to use them.
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 type indicates commands within a paragraph, URLs, code in examples, text that appears on the screen, or text that you enter. |