PL/SQL Packages and Types Reference 10g Release 1 (10.1) Part No. B10802-01 December 2003 .PL/SQL

PL/SQL Packages and Types Reference, 10g Release 1 10.1Part No.. PL/SQL Packages and Types Reference, 10g Release 1 10.1Part No.. This reference manual describes the Oracle PL/SQL packag

10g Release 1 (10.1)

Part No B10802-01

December 2003

PL/SQL Packages and Types Reference, 10g Release 1 (10.1)

Part No B10802-01

Copyright © 1998, 2003 Oracle Corporation All rights reserved.

Primary Author: Den Raphaely

Contributing Authors: Gina Abeles, Cathy Baird, Deanna Bradshaw, Craig Foch, Laurel Hale, Paul Lane, Jeff Levinger, Roza Leyderman, Chuck Murray, Eric Paapanen, Kathy Rich, Vivian Schupmann, Ingrid Stuart, Randy Urbano

Contributors: Ted Burroughs, Shelley, Higgins, Jennifer Polk, Colin McGregor, Chuck Murray, Richard Smith

Graphics Production Specialist: Valarie Moore

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Send Us Your Comments xxv

Preface xxvii

Audience xxviii

Organization xxviii

Related Documentation xxviii

Conventions xxix

Documentation Accessibility xxxi

What's New in PL/SQL Packages and Types Reference? xxxiii

Oracle Database 10g Release 1 (10.1) New Features xxxiv

Oracle9i Release 2 (9.2) New Features xl

Oracle9i Release 1 (9.0.1) New Features xlii

Oracle8i Release 2 (8.1.6) New Features xliii

Oracle8i Release 1 (8.1.5) New Features xliii

Summary of DBMS_ADVISOR Subprograms 12-20

21 DBMS_CDC_SUBSCRIBE

Using DBMS_CDC_SUBSCRIBE 21-2

Summary of DBMS_CDC_SUBSCRIBE Subprograms 21-5

22 DBMS_CRYPTO

Using the DBMS_CRYPTO Subprograms 22-2

Summary of DBMS_CRYPTO Subprograms 22-10

Summary of DBMS_LOGMNR Subprograms 47-6

Summary of DBMS_PROFILER Subprograms 64-8

Summary of DBMS_RULE_ADM Subprograms 82-3

Summary of DBMS_STREAMS_TABLESPACE_ADM Subprograms 99-5

Summary of DBMS_XMLSAVE Subprograms 117-3

Constants of DBMS_XMLSCHEMA 118-2

Summary of DBMS_XMLSCHEMA Subprograms 118-3

Catalog Views of the DBMS_XMLSCHEMA 118-18

Summary of UTL_DBWS Subprograms 153-3

Using ANYDATA TYPE 168-2

Summary of ANYDATA Subprograms 168-5

Summary of ANYDATASET TYPE Subprograms 169-3

170 ANYTYPE TYPE

Summary of ANYTYPE Subprograms 170-2

171 Oracle Streams AQ TYPEs

Summary of Types 171-2

172 Database URI TYPEs

Summary of URITYPE Supertype Subprograms 172-2

Summary of HTTPURITYPE Subtype Subprograms 172-9

Summary of DBURITYPE Subtype Subprogams 172-18

Summary of XDBURITYPE Subtype Subprograms 172-27

Summary of URIFACTORY Package Subprograms 172-36

173 JMS Types

Using JMS Types 173-2

Summary of JMS Types 173-14

174 Logical Change Record TYPEs

Summary of Logical Change Record Types 174-2

177 interMedia ORDImage TYPE

Documentation of ORDImage 177-2

178 interMedia ORDImageSignature TYPE

Documentation of ORDImageSignature 178-2

179 interMedia SQL/MM Still Image TYPE

Documentation of SQL/MM Still Image 179-2

180 interMedia ORDVideo TYPE

PL/SQL Packages and Types Reference, 10g Release 1 (10.1)

Part No B10802-01

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This reference manual describes the Oracle PL/SQL packages shipped with theOracle database server This information applies to versions of the Oracle databaseserver that run on all platforms unless otherwise specified.

This preface contains these topics:

PL/SQL Packages and Types Reference is intended for programmers, systems analysts,

project managers, and others interested in developing database applications Thismanual assumes a working knowledge of application programming and familiaritywith SQL to access information in relational database systems Some sections alsoassume a knowledge of basic object-oriented programming

Organization

SeeTable 1–1, " Summary of Oracle Supplied PL/SQL Packages" on page 1-8 forinformation about the organization of this reference

Related Documentation

For more information, see these Oracle resources:

■ Oracle Database Application Developer's Guide - Fundamentals

■ PL/SQL User's Guide and Reference

Many books 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

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documentation set It describes:

Bold 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.

Italics Italic typeface indicates book titles,

emphasis, syntax clauses, or placeholders.

Oracle Database Concepts

Ensure that the recovery catalog and target

database do not reside on the same disk.

You can specify this clause only for a NUMBER

Conventions in Code Examples

Code examples illustrate SQL, PL/SQL, SQL*Plus, or other command-linestatements They are displayed in a monospace (fixed-width) font and separatedfrom 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 andprovides examples of their use

[ ] 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.

{ENABLE | DISABLE}

| 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.

{ENABLE | DISABLE}

[COMPRESS | NOCOMPRESS]

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

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.

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;

Documentation Accessibility

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variables for which you must supply particular values.

DB_NAME = database_name

UPPERCASE 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 employees;

SELECT * FROM USER_TABLES;

DROP TABLE hr.employees;

lowercase 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 employees;

sqlplus hr/hr CREATE USER mjones IDENTIFIED BY ty3MU9;

Accessibility of Links to External Web Sites in Documentation Thisdocumentation may contain links to Web sites of other companies or organizationsthat Oracle does not own or control Oracle neither evaluates nor makes anyrepresentations regarding the accessibility of these Web sites.

■ Oracle9i Release 2 (9.2) New Features

■ Oracle9i Release 1 (9.0.1) New Features

■ Oracle8i Release 2 (8.1.6) New FeaturesOracle8i Release 1 (8.1.5) New Features

Oracle Database 10g Release 1 (10.1) New Features

■ ANYDATASET TYPE

■ Oracle Streams AQ TYPEs

■ Logical Change Record TYPEs

■ Rule TYPEs

Oracle9i Release 2 (9.2) New Features

This release includes the following new chapters:

■ Advanced Queuing Types

Oracle9i Release 1 (9.0.1) New Features

This release includes the following new packages:

■ UTL_RAW

Oracle8i Release 2 (8.1.6) New Features

This release included the following new packages

Introduction

Oracle supplies many PL/SQL packages with the Oracle server to extend databasefunctionality and provide PL/SQL access to SQL features You can use the suppliedpackages when creating your applications or for ideas in creating your own storedprocedures

This chapter contains the following topics:

■ Package Overview

■ Abbreviations for Datetime and Interval Datatypes

■ Summary of Oracle Supplied PL/SQL Packages

Note: This manual covers the packages provided with the Oracle

database server Packages supplied with other products, such as

Oracle Developer or the Oracle Application Server, are not covered

See Also: Oracle Database Application Developer's Guide

-Package Overview

Package Overview

A package is an encapsulated collection of related program objects stored together in

the database Program objects are procedures, functions, variables, constants,cursors, and exceptions

Packages have many advantages over standalone procedures and functions Forexample, they:

■ Let you organize your application development more efficiently

■ Let you grant privileges more efficiently

■ Let you modify package objects without recompiling dependent schema objects

■ Enable Oracle to read multiple package objects into memory at once

■ Let you overload procedures or functions Overloading means creating multiple

procedures with the same name in the same package, each taking arguments ofdifferent number or datatype

■ Can contain global variables and cursors that are available to all procedures andfunctions in the package

Package Components

PL/SQL packages have two parts: the specification and the body, althoughsometimes the body is unnecessary The specification is the interface to yourapplication; it declares the types, variables, constants, exceptions, cursors, andsubprograms available for use The body fully defines cursors and subprograms,and so implements the specification

Unlike subprograms, packages cannot be called, parameterized, or nested

However, the formats of a package and a subprogram are similar:

CREATE PACKAGE name AS specification (visible part) public type and item declarations

subprogram specifications END [name];

CREATE PACKAGE BODY name AS body (hidden part) private type and item declarations

subprogram bodies [BEGIN

initialization statements]

END [name];

The specification holds public declarations that are visible to your application Thebody holds implementation details and private declarations that are hidden fromyour application You can debug, enhance, or replace a package body withoutchanging the specification You can change a package body without recompilingcalling programs because the implementation details in the body are hidden fromyour application

Using Oracle Supplied Packages

Most Oracle supplied packages are automatically installed when the database iscreated and theCATPROC.SQL script is run For example, to create theDBMS_ALERT

package, theDBMSALRT.SQL andPRVTALRT.PLB scripts must be run whenconnected as the userSYS These scripts are run automatically by theCATPROC.SQL

script

Certain packages are not installed automatically Special installation instructions forthese packages are documented in the individual chapters

To call a PL/SQL function from SQL, you must either own the function or have

EXECUTE privileges on the function To select from a view defined with a PL/SQLfunction, you must haveSELECT privileges on the view No separateEXECUTE

privileges are needed to select from the view Instructions on special requirementsfor packages are documented in the individual chapters

Creating New Packages

To create packages and store them permanently in an Oracle database, use the

CREATE PACKAGE andCREATE PACKAGE BODY statements You can execute thesestatements interactively from SQL*Plus or Enterprise Manager