Oracle9i Application Developer's Guide - Object-Relational Features Release 1 (9.0.1) Part Number A88878-01 |
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Oracle9i Application Developer's Guide - Object-Relational Features describes how to use the object-relational features of the Oracle Server, Release 1 (9.0.1). Information in this guide applies to versions of the Oracle Server that run on all platforms, and does not include system-specific information.
This preface contains these topics:
Oracle9i Application Developer's Guide - Object-Relational Features is intended for programmers developing new applications or converting existing applications to run in the Oracle environment. The object-relational features are often used in multimedia, Geographic Information Systems (GIS), and similar applications that deal with complex data. The object views feature can be valuable when writing new applications on top of an existing relational schema.
This guide assumes that you have a working knowledge of application programming and that you are familiar with the use of Structured Query Language (SQL) to access information in relational database systems.
This document contains:
Introduces the key features and explains the advantages of the object-relational model.
Explains the basic concepts and terminology that you need to work with Oracle Objects.
Summarizes the object-relational features in SQL and PL/SQL; Oracle Call Interface (OCI); Pro*C/C++; Oracle Objects For OLE; and Java, JDBC, and Oracle SQLJ. The information in this chapter is high-level, for education and planning. The following chapters explain how to use the object-relational features in greater detail.
Explains how to perform essential operations with objects and object types.
Explains object views, which allow you to develop object-oriented applications without changing the underlying relational schema.
Discusses features that you might need to manage storage and performance as you scale up an object-oriented application.
Provides helpful hints for people getting started with object-oriented programming, or coming to Oracle with a background in some other database system or object-oriented language.
Explains the implementation and performance characteristics of Oracle's object-relational model.
Demonstrates how a relational program can be rewritten as an object-oriented one, schema and all.
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 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.
Oracle's goal is to make our products, services, and supporting documentation accessible to the disabled community with good usability. To that end, our documentation includes features that make information available to users of assistive technology. This documentation is available in HTML format and contains markup to facilitate access by the disabled community. Standards will continue to evolve over time, and Oracle is actively engaged with other market-leading technology vendors to address technical obstacles so that our documentation can be accessible to all of our customers. For additional information, visit the Oracle Accessibility Program web site at
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JAWS, a Windows screen reader, may not always correctly read the code examples in this document. The conventions for writing code require that closing braces should appear on an otherwise empty line; however, JAWS may not always read a line of text that consists solely of a bracket or brace.
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