Oracle9i Heterogeneous Connectivity Administrator's Guide Release 2 (9.2) Part Number A96544-01 |
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Oracle9i Heterogeneous Connectivity Administrator's Guide describes Oracle's approach for information integration in a heterogeneous environment. Specifically, it describes Oracle Transparent Gateways and Generic Connectivity and is meant to be an administrators guide for these Oracle products.
This preface contains these topics:
The Oracle9i Heterogeneous Connectivity Administrator's Guide is intended for the following users:
To use this document, you should be familiar with the following information:
This document contains the following chapters:
This chapter describes the challenges of operating in a heterogeneous environment. Oracle recognizes these challenges and offers both synchronous and asynchronous solutions that enable companies to easily operate in such an environment. The two synchronous solutions, Oracle Transparent Gateways and Generic Connectivity, are discussed this book.
Oracle's synchronous solutions for operating in a heterogeneous environment are Oracle Transparent Gateways and Generic Connectivity. The common component of the Oracle database server for supporting these solutions is Heterogeneous Services. This chapter describes the architecture and functionality of the Heterogeneous Services component and its interaction with Oracle Transparent Gateways and Generic Connectivity.
This chapter describes the major features provided by Oracle Transparent Gateways and Generic Connectivity.
This chapter explains how to use Oracle Transparent Gateways.
This chapter explains what multithreaded agents are, how they contribute to the overall efficiency of a distributed database system, and how to administer multithreaded agents.
This chapter explains how to optimize distributed SQL statements, how to use partition views with Oracle Transparent Gateways, and how to optimize the performance of distributed queries.
This chapter describes the configuration and usage of generic connectivity agents.
This appendix lists heterogeneous services initialization parameters and provides instructions on how to set them.
The tables in this appendix show how Oracle maps ANSI datatypes through ODBC and OLE DB interfaces to supported Oracle datatypes when it is retrieving data from a non-Oracle system.
The package, DBMS_HS_PASSTHROUGH
, contains the procedures and functions for pass-through SQL of heterogeneous services. This appendix documents each of them.
This appendix documents data dictionary translation support. It explains how to access non-Oracle data dictionaries, lists heterogeneous services data dictionary views, describes how to use supported views and tables, and explains data dictionary mapping.
For more information, see these Oracle resources:
Many books in the documentation set use the sample schemas of the seed database, which is installed by default when you install Oracle. Refer to Oracle9i Sample Schemas for information on how these schemas were created and how you can use them yourself.
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This section describes the conventions used in the text and code examples of this documentation set. It describes:
We use various conventions in text to help you more quickly identify special terms. The following table describes those conventions and provides examples of their use.
Code examples illustrate SQL, PL/SQL, SQL*Plus, or other command-line statements. They are displayed in a monospace (fixed-width) font and separated from normal text as shown in this example:
SELECT username FROM dba_users WHERE username = 'MIGRATE';
The following table describes typographic conventions used in code examples and provides examples of their use.
The following table describes conventions for Windows operating systems and provides examples of their use.
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