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Oracle® HTML DB User's Guide
Release 1.5

Part Number B10992-01
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Oracle HTML DB User's Guide describes how to use the Oracle HTML DB development environment to build and deploy database-centric Web applications. Oracle HTML DB turns a single Oracle database into a shared service by enabling multiple workgroups to build and access applications as if they were running in separate databases.

This preface contains these topics:

Intended Audience

Oracle HTML DB User's Guide is intended for application developers who are building database-centric Web applications using Oracle HTML DB. The guide describes how to use the Oracle HTML DB development environment to build, debug, manage, and deploy applications. To use this guide, you need to have a general understanding of relational database concepts as well as an understanding of the operating system environment under which you are running Oracle HTML DB.


This document contains:

Part I, "Getting Started with Oracle HTML DB"

Part I provides an introduction to Oracle HTML DB by introducing you to basic Oracle HTML DB concepts.

Chapter 1, "What is Oracle HTML DB?"

This chapter offers a general description of Oracle HTML DB and the components you can use it to develop database-centric Web applications.

Chapter 2, "Quick Start"

This chapter offers a quick introduction to using Oracle HTML DB.

Chapter 3, "Running a Demonstration Application"

This chapter describes how to run a demonstration application and defines fundamental concepts that are unique to Oracle HTML DB.

Part II, "Using Oracle HTML DB "

Part II describes how to use Data Workshop, SQL Workshop, and Application Builder to develop database-driven applications.

Chapter 4, "Managing Data with Data Workshop"

This chapter describes how to use Data Workshop to import data into and export data from a hosted database.

Chapter 5, "Using SQL Workshop to Manage Database Objects"

This chapter provides information on how to use SQL Workshop to view and manage database objects as well as browse the data dictionary.

Chapter 6, "Application Builder Concepts"

This chapter provides basic conceptual information about Application Builder.

Chapter 7, "Using Application Builder"

This chapter describes how to use Application Builder to build the pages that comprise an application.

Chapter 8, "Building Application Components"

This chapter describes how to build application components in Oracle HTML DB, including navigation, regions, buttons, Lists of Values, forms, reports, charts, and help pages.

Chapter 9, "Debugging an Application"

This chapter describes a number of approaches to debugging your application including viewing Debug Mode, enabling SQL tracing, viewing page reports, and how to manually remove a component to isolate a problem.

Chapter 10, "Managing an Application"

This chapter provides information about Application Builder utilities, how to export and import an application, and how to manage application security.

Chapter 11, "Managing Your Development Workspace"

This chapter describes the tools and reports available to Workspace administrators.

Chapter 12, "Advanced Programming Techniques"

This chapter provides information about advanced programming techniques including establishing database links, using collections, running background SQL, utilizing Web Services and managing user preferences.

Chapter 13, "Oracle HTML DB APIs"

This chapter describes available Oracle HTML DB APIs.

Part III, "Administration"

Part III describes the tasks associated with administering Oracle HTML DB, including creating and managing workspaces, translating an application, and managing activities, log files, and sessions.

Chapter 14, "Administering Workspaces"

This chapter describes tasks an Oracle HTML DB administrator performs when administering workspaces.

Chapter 15, "Managing Services"

This chapter provides information about additional administrator activities available in Oracle HTML DB, including sending e-mail, monitoring user activity, managing log files, and managing sessions.

Chapter 16, "Managing Globalization"

This chapter describes how to translate an application created in Oracle HTML DB.

Appendix A, "Available Conditions "

Provides a listing of conditions available in Oracle HTML 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 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

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

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


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 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 or emphasis. Oracle 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 employees;
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 employees;
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 employees;
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 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 does not own or control. Oracle neither evaluates nor makes any representations regarding the accessibility of these Web sites.