Oracle Heterogeneous Services Release 8.1.7 Part Number A88714-01 |
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Oracle Heterogeneous Services describes implementation issues for Oracle8i Heterogeneous Services. It also introduces the tools and utilities available to assist you in implementing and using this feature.
This preface contains these topics:
Oracle Heterogeneous Services is intended for database administrators who administer or plan to administer a distributed database system involving either Oracle to Oracle database links or Oracle to non-Oracle database links.
To use this document, you need to be familiar with:
This document contains:
Chapter 1, "Heterogeneous Services Concepts" provides an overview of Oracle Heterogeneous Services.
Chapter 2, "Managing Heterogeneous Services" explains how to implement and maintain Heterogeneous Services using an Oracle Transparent Gateway.
Chapter 3, "Generic Connectivity" provides the information you need to connect to non-Oracle datastores through ODBC or OLE DB.
Chapter 4, "Developing Applications with Heterogeneous Services" provides the information you will need to develop applications that use Oracle Heterogeneous Services.
Appendix A, "Heterogeneous Services Initialization Parameters" lists all Heterogeneous Services-specific initialization parameters and their values.
Appendix B, "Heterogeneous Services Data Dictionary Views" lists the data dictionary views that are available through Heterogeneous Services mapping.
Appendix C, "DBMS_HS_PASSTHROUGH for Pass-Through SQL" describes the procedures and functions in the package DBMS_HS_PASSTHROUGH for pass-through SQL of Heterogeneous Services.
Appendix D, "Data Dictionary Translation for Generic Connectivity" explains and lists data dictionary translations for generic connectivity.
Appendix E, "Datatype Mapping" explains how datatypes are mapped for ODBC and OLE DB compliant data sources.
For more information, see these Oracle resources:
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This section describes the conventions used in the text and code examples of the 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.
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