Preface

This reference describes features of application development and integration using Oracle Streams Advanced Queuing (AQ). This information applies to versions of the Oracle Database server that run on all platforms, unless otherwise specified.

The Preface contains these topics:

• Intended Audience

• Structure

• Related Documents

• Conventions

• Documentation Accessibility

Intended Audience

Oracle Streams Advanced Queuing User's Guide and Reference is intended for programmers who develop applications that use Oracle Streams AQ.

Structure

This chapter introduces you to Oracle Streams AQ and describes the requirements for optimal messaging systems.

This chapter describes the prerequisites for Oracle Streams AQ. It also provides examples of operations using different programmatic environments and answers to several frequently asked questions about Oracle Streams AQ in general.

This chapter describes Oracle Streams AQ features including general, enqueue, and dequeue features.

This chapter describes the elements you must work with and issues to consider in preparing your Oracle Streams AQ application environment for different languages.

This chapter discusses issues related to managing Oracle Streams AQ, such as migrating queue tables (import-export), security, Oracle Enterprise Manager support, protocols, sample DBA actions to prepare for working with Oracle Streams AQ, and current restrictions.

This chapter discusses performance and scalability issues. It included frequently asked questions.

This chapter describes the administrative interface to Oracle Streams AQ.

This chapter describes how to use Oracle Streams AQ views administrative interface. It includes syntax and examples.

This chapter describes how to use the Oracle Streams AQ operational interface. It includes syntax and examples.

This chapter describes how to create application using Oracle JMS interface with Oracle Streams AQ.

This chapter describes how to use the Oracle Streams AQ administrative interface for JMS.

This chapter describes how to use Oracle JMS interface with Oracle Streams AQ for point-to-point operations.

This chapter describes how to use Oracle JMS interface with Oracle Streams AQ for publish/subscribe operations.

This chapter describes how to use Oracle JMS interface with Oracle Streams AQ for shared interface operations.

This chapter provides JMS type enqueuing and dequeuing examples for bytes, streams, and map message types. The examples illustrate how you can use JMS and DBMS_AQ for enqueuing and dequeuing.

This chapter describes how to perform Oracle Streams AQ operations over the Internet using its Internet Data Access Presentation (IDAP) and Simple Object Access Protocol (SOAP). It also shows how to transmit messages over the Internet using HTTP.

This chapter introduces Messaging Gateway's features, functions, and architecture. It describes how applications based on Oracle Streams AQ can communicate with non-Oracle messaging systems using Messaging Gateway.

This chapter describes the prerequisites for running Messaging Gateway, how to load and unload Messaging Gateway, and how to set it up for use.

This chapter describes how to use Messaging Gateway: how to configure, start, and stop it, and how to configure Messaging Gateway Agent.

This chapter shows how to transform messages between Oracle Streams AQ formats and those used by supported third-party messaging systems.

This chapter discusses abnormal situations you may experience, several sources of information about Messaging Gateway errors and exceptions, and suggested remedies.

This chapter describes how to use Oracle Streams for staging and propagation of queues and SYS_AnyData.

This chapter includes a detailed example that illustrates how to use Oracle Streams for messaging.

This chapter describes ways you can troubleshoot Oracle Streams AQ.

This appendix provides scripts for implementing the BooksOnLine example.

Related Documents

For more information, see these Oracle resources:

• Oracle Database Application Developer's Guide - Fundamentals

• PL/SQL User's Guide and Reference

• Oracle Streams Advanced Queuing Java API Reference

• PL/SQL Packages and Types Reference

• Oracle Streams Concepts and Administration

• Oracle XML DB Developer's Guide

For Oracle APIs for JMS see:

http://otn.oracle.com/docs/products/aq/doc_library/ojms/index.html

Many examples in the documentation set use the sample schemas of the seed database, which is installed by default when you install Oracle. 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, visit the Oracle Technology Network (OTN). You must register online before using OTN; registration is free and can be done at

http://otn.oracle.com/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://otn.oracle.com/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

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.

[ ]

DECIMAL (digits [ , precision ])

{ }

{ENABLE | DISABLE}

|

{ENABLE | DISABLE}
[COMPRESS | NOCOMPRESS]

...

CREATE TABLE ... AS subquery;

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

.
 .
 .

SQL> SELECT NAME FROM V$DATAFILE;
NAME
------------------------------------
/fsl/dbs/tbs_01.dbf
/fs1/dbs/tbs_02.dbf
.
.
.
/fsl/dbs/tbs_09.dbf
9 rows selected.

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;

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

c:\winnt"\"system32 is the same as C:\WINNT\SYSTEM32

C:\oracle\oradata>

C:\>exp scott/tiger TABLES=emp QUERY=\"WHERE job='SALESMAN' and sal<1600\"
C:\>imp SYSTEM/password FROMUSER=scott TABLES=(emp, dept)

HOME_NAME

C:\> net start OracleHOME_NAMETNSListener

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. 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

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

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.

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.