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Oracle9i Supplied Java Packages Reference
Release 2 (9.2)

Part Number A96609-01
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This preface contains these topics:

About Oracle9i Supplied Java Packages Reference

Most of the information contained in this book is parsed from the Java source packages to ensure accuracy and completeness of the documentation for the Java APIs. As the book nears completion, updates may be parsed from individual classes (.java files) and inserted within the class hierarchy. If changes are minor, whole packages or individual classes are updated manually. Because the Java packages implement features and functionality that have a range of disparate requirements, the API documentation varies accordingly. Formatting is secondary to reliable information as intended by the developers who create the Java APIs. Therefore, you may notice some variation in the style of how the APIs are presented. For more information about automating documentation for Java APIs, refer to


Oracle9i Supplied Java Packages Reference is intended for Java programmers and others interested in developing database applications for Oracle9i Release 2 (9.2). This manual assumes a working knowledge of application programming for client/server enterprises and familiarity with Java and SQL to access and manipulate information in relational database systems. To take advantage of Java classes that implement XML features and Oracle XML DB, a familiarity with XML standards as set forth by the World Wide Web Consortium ( is also important. Additionally, knowledge of Web development and object-relational database systems is helpful.


This reference is divided into five parts, each with related chapters, as follows:

Part I, "Java Packages for Oracle9i RDBMS"

This book part contains the chapters for Java packages that implement Java APIs for the Oracle RDBMS.

Part II, "Java Packages for Oracle9i XDK for Java"

This part describes Java packages contained in the Oracle XDK for Java.

Part III, "Java Packages for Oracle9i XDK for Java Beans"

This part describes the Java packages that comprise the Oracle XDK for Java Beans.

Part IV, "Java Packages for Oracle SOAP"

This part contains the chapters for Java packages that implement Oracle SOAP in the XDK for Java.

Part V, "Java Packages for Oracle XML DB"

This part contains the chapters for Java packages that implement features described in the Oracle9i XML Database Developer's Guide - Oracle XML DB. These Java APIs provide support for developing XML applications that run natively within Oracle9i in Oracle XML DB.

Related Documentation

For more information, see these Oracle resources:

Many of the examples in this book 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:

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.

Convention Meaning Example


Bold typeface indicates terms that are defined in the text or terms that appear in a glossary, or both.

When you specify this clause, you create an index-organized table.


Italic typeface indicates book titles or emphasis.

Oracle9i Database Concepts

Ensure that the recovery catalog and target database do not reside on the same disk.

UPPERCASE monospace (fixed-width) font

Uppercase monospace typeface indicates elements supplied by the system. Such elements include parameters, privileges, datatypes, RMAN keywords, SQL keywords, SQL*Plus or utility commands, packages and methods, as well as system-supplied column names, database objects and structures, usernames, and roles.

You can specify this clause only for a NUMBER column.

You can back up the database by using the BACKUP command.

Query the TABLE_NAME column in the USER_TABLES data dictionary view.


lowercase monospace (fixed-width) font

Lowercase monospace typeface indicates executables, filenames, directory names, and sample user-supplied elements. Such elements include computer and database names, net service names, and connect identifiers, as well as user-supplied database objects and structures, column names, packages and classes, usernames and roles, program units, and parameter values.

Note: Some programmatic elements use a mixture of UPPERCASE and lowercase. Enter these elements as shown.

Enter sqlplus to open SQL*Plus.

The password is specified in the orapwd file.

Back up the datafiles and control files in the /disk1/oracle/dbs directory.

The department_id, department_name, and location_id columns are in the hr.departments table.

Set the QUERY_REWRITE_ENABLED initialization parameter to true.

Connect as oe user.

The JRepUtil class implements these methods.

lowercase italic monospace (fixed-width) font

Lowercase italic monospace font represents placeholders or variables.

You can specify the parallel_clause.

Run Uold_release.SQL where old_release refers to the release you installed prior to upgrading.

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.

Convention Meaning Example
[ ]

Brackets enclose one or more optional items. Do not enter the brackets.

DECIMAL (digits [ , precision ])
{ }

Braces enclose two or more items, one of which is required. Do not enter the braces.


A vertical bar represents a choice of two or more options within brackets or braces. Enter one of the options. Do not enter the vertical bar.


Horizontal ellipsis points indicate either:

  • That we have omitted parts of the code that are not directly related to the example
  • That you can repeat a portion of the code
CREATE TABLE ... AS subquery;

SELECT col1, col2, ... , coln FROM 

Vertical ellipsis points indicate that we have omitted several lines of code not directly related to the example.

9 rows selected.

Other notation

You must enter symbols other than brackets, braces, vertical bars, and ellipsis points as shown.

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

Italicized text indicates placeholders or variables for which you must supply particular values.

CONNECT SYSTEM/system_password
DB_NAME = database_name


Uppercase typeface indicates elements supplied by the system. We show these terms in uppercase in order to distinguish them from terms you define. Unless terms appear in brackets, enter them in the order and with the spelling shown. However, because these terms are not case sensitive, you can enter them in lowercase.

SELECT last_name, employee_id FROM 
DROP TABLE hr.employees;

Lowercase typeface indicates programmatic elements that you supply. For example, lowercase indicates names of tables, columns, or files.

Note: Some programmatic elements use a mixture of UPPERCASE and lowercase. Enter these elements as shown.

SELECT last_name, employee_id FROM 
sqlplus hr/hr

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 Corporation 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

Accessibility of Code Examples in Documentation

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.

Accessibility of Links to External Web Sites in Documentation

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

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