Preface

This Preface contains these topics:

• Audience

• Documentation Accessibility

• Structure

• Related Documents

• Conventions

Audience

The Oracle Text Application Developer's Guide, is intended for users who perform the following tasks:

• Develop Oracle Text applications

• Administer Oracle Text installations

To use this document, you need to have experience with the Oracle object relational database management system, SQL, SQL*Plus, and PL/SQL.

Documentation Accessibility

Our goal is to make Oracle products, services, and supporting documentation accessible, with good usability, to the disabled community. 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. Accessibility 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 more information, visit the Oracle Accessibility Program Web site at

http://www.oracle.com/accessibility/

Accessibility of Code Examples in Documentation

Screen readers 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, some screen readers may not always read a line of text that consists solely of a bracket or brace.

Accessibility of Links to External Web Sites in Documentation

This documentation may contain links to Web sites of other companies or organizations that Oracle does not own or control. Oracle neither evaluates nor makes any representations regarding the accessibility of these Web sites.

TTY Access to Oracle Support Services

Oracle provides dedicated Text Telephone (TTY) access to Oracle Support Services within the United States of America 24 hours a day, seven days a week. For TTY support, call 800.446.2398.

Structure

This document contains:

Chapter 1, "Understanding Oracle Text Application Development"

This chapter explains the basic features of the query, catalog, and classification applications that you can build with Oracle Text.

Chapter 2, "Getting Started with Oracle Text"

This chapter explains how to get started on building a simple query applications using Oracle Text.

Chapter 3, " Indexing with Oracle Text"

This chapter describes how to index your document set. It discusses considerations for indexing as well as how to create CONTEXT, CTXCAT, and CTXRULE indexes.

Chapter 4, "Querying with Oracle Text"

This chapter describes how to query your document set. It gives examples for how to use the CONTAINS, CATSEARCH, and MATCHES operators.

Chapter 5, "Presenting Documents in Oracle Text"

This chapter describes how to present documents to the user of your query application.

Chapter 6, "Classifying Documents in Oracle Text"

This chapter describes how to build classification applications.

Chapter 7, "Tuning Oracle Text"

This chapter describes how to tune your queries to improve response time and throughput.

Chapter 8, "Searching Document Section in Oracle Text"

This chapter describes how to enable section searching in HTML and XML.

Chapter 9, "Working With a Thesaurus in Oracle Text"

This chapter describes how to work with a thesaurus in your application. It also describes how to augment your knowledge base with a thesaurus.

Chapter 10, "Administering Oracle Text"

This chapter describes Oracle Text administration.

Chapter 11, "Migrating Oracle Text Applications"

This chapter describes how to migrate your applications from earlier versions of Oracle Text.

Appendix A, "CONTEXT Query Application"

This appendix describes a sample Oracle Text CONTEXT Web application and the wizard used to produce it.

Appendix B, "CATSEARCH Query Application"

This appendix describes an Oracle Text CATSEARCH example Web application.

Related Documents

For more information about Oracle Text, refer to:

• Oracle Text Reference

For more information about Oracle Database, refer to:

• Oracle Database Concepts

• Oracle Database Administrator's Guide

• Oracle Database Utilities

• Oracle Database Performance Tuning Guide

• Oracle Database SQL Reference

• Oracle Database Reference

• Oracle Database Application Developer's Guide - Fundamentals

For more information about PL/SQL, refer to:

• PL/SQL User's Guide and Reference

You can obtain Oracle Text technical information, collateral, code samples, training slides and other material at:

http://www.oracle.com/technology/products/text/

Many books in the documentation set use the sample schemas of the seed database, which is installed by default when you install Oracle Database. Refer to Oracle Database Sample Schemas for information on how these schemas were created and how you can use them yourself.

Printed documentation is available for sale in the Oracle Store at

http://oraclestore.oracle.com/

To download free release notes, installation documentation, white papers, or other collateral, please visit the Oracle Technology Network (OTN). You must register online before using OTN; registration is free and can be done at

http://www.oracle.com/technology/membership/

If you already have a username and password for OTN, then you can go directly to the documentation section of the OTN Web site at

http://www.oracle.com/technology/documentation/

Conventions

This section describes the conventions used in the text and code examples of this documentation set. It describes:

• Conventions in Text

• Conventions in Code Examples

• Conventions for Windows Operating Systems

Conventions in Text

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.

Conventions in Code Examples

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.

[ ]

DECIMAL (digits [ , precision ])

{ }

{ENABLE | DISABLE}

|

{ENABLE | DISABLE}
[COMPRESS | NOCOMPRESS]

...

CREATE TABLE ... AS subquery;

SELECT col1, col2, ... , coln FROM employees;

acctbal NUMBER(11,2);
acct    CONSTANT NUMBER(4) := 3;

Italics

CONNECT SYSTEM/system_password
DB_NAME = database_name

UPPERCASE

SELECT last_name, employee_id FROM employees;
SELECT * FROM USER_TABLES;
DROP TABLE hr.employees;

lowercase

SELECT last_name, employee_id FROM employees;
sqlplus hr/hr
CREATE USER mjones IDENTIFIED BY ty3MU9;

Conventions for Windows Operating Systems

The following table describes conventions for Windows operating systems and provides examples of their use.

C:\oracle\oradata>

C:\> exp HR/HR TABLES=emp QUERY=\"WHERE job='REP'\"

HOME_NAME

C:\> net start OracleHOME_NAMETNSListener