31 January 2016 Getting Addicted to Oracle Application Express (formerly HTML DB) Bill Holtzman National Air Traffic Controllers Association Desktop Conference

May 3, 2023

Getting Addicted to Oracle Application Express

(formerly HTML DB)

Bill Holtzman

National Air Traffic Controllers Association

Desktop Conference

Desktop Conference

20062006

You’re Virtually There!


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DC2006DC2006You’reYou’re

VirtuallyVirtuallyThere!There! My IT resume

• Fortran, Drexel University, 1985• 3 static HTML web sites, 1997-2002• Several MS Access apps, 2002-2003• 7 one week classes at Learning Tree

Int’l, 2003-04– 8i, 9i Intros, PLSQL, SQL Queries, App

Dev– DBA, Backup & Recovery, Tuning

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VirtuallyVirtuallyThere!There! My resources

• No DBA or technical support • Not part of my job• No political support

How do I build internet applications?

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VirtuallyVirtuallyThere!There! Enter Application Express

Saw a demo 20-JAN-04 and got hooked!

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VirtuallyVirtuallyThere!There! Free workspace

http://htmldb.oracle.com

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VirtuallyVirtuallyThere!There!

First app

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First app posted HTML DB Studio by non-Oracle employee

June 2004

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Document library

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Labor tracking (web time card)

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“Quicken” Checkbook Tracking

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Blogs

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Shift swapping

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Bidding leave

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Corporate VB app for real-time labor tracking (thick client)

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Same app with Application Express (web-based)

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Team

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Labor Grievance Tracking

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VirtuallyVirtuallyThere!There! A data model

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VirtuallyVirtuallyThere!There! What makes Application

Express so useful?

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Key Features

• Low entry barriers:Low entry barriers: “Access-like” wizards require no code

• Broad skill range:Broad skill range: Move up from wizard-built to sophisticated apps

• Portability:Portability: Move apps across workspaces

• Highly structuredHighly structured• Automated monitoringAutomated monitoring• All web-basedAll web-based• Oracle database:Oracle database: Completely housed

within

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Low Entry BarriersLow Entry Barriershttp://www.oracle.com/technology/products/database/application_express

From spreadsheet to complete internet app in 1 minute

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VirtuallyVirtuallyThere!There! Application and form wizards

Low Entry BarriersLow Entry Barriers

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VirtuallyVirtuallyThere!There! Page items and database

wizards

Low Entry BarriersLow Entry Barriers

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Basic column link

Intermediate column link

Broad Skill RangeBroad Skill Range

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Advanced column link


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Output set from the advanced column link


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VirtuallyVirtuallyThere!There! Page processing - Components


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VirtuallyVirtuallyThere!There! Page processing -

1


From this:

Includes optimistic locking

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VirtuallyVirtuallyThere!There! Page processing -

2


To this:

Requires add’l code to provide optimistic locking

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VirtuallyVirtuallyThere!There! Use region types to move…


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VirtuallyVirtuallyThere!There! … from plain HTML regions…


This code:

Sends this to the page:

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VirtuallyVirtuallyThere!There! …to SQL report regions…

Broad Skill RangeBroad Skill RangeCode:

Display:

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Broad Skill RangeBroad Skill Range… to PLSQL regions with data driven output.

Code:

Display:

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Broad Skill RangeBroad Skill RangeSession state protection prevents URL tampering

To secure column links:

HTMLDB_UTIL.PREPARE_URL generates checksum and appends it to URL.

One click activation:

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PortabilityPortability

AppsCSS’s ImagesFilesObjects

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VirtuallyVirtuallyThere!There! Command-line with tools

Highly StructuredHighly Structured

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VirtuallyVirtuallyThere!There! Page organization


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VirtuallyVirtuallyThere!There! Conditions


1. Everything is conditional2. Conditions are easy to apply3. Large variety of condition

types

ProcessingValidation DisplayBranching

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VirtuallyVirtuallyThere!There! Javascript


Use on page or template

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VirtuallyVirtuallyThere!There! Convenient gateways


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VirtuallyVirtuallyThere!There! Object browser


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VirtuallyVirtuallyThere!There! Versatile usage reports built-

in

Automated MonitoringAutomated Monitoring

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VirtuallyVirtuallyThere!There! Recent page

views

Automated MonitoringAutomated Monitoring

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VirtuallyVirtuallyThere!There! Demo

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VirtuallyVirtuallyThere!There! Ultimate skill set

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Thank you!

Desktop Conference

Desktop Conference

20052005



Bill HoltzmanNational Air Traffic Controllers

[email protected]

703-403-0139

mailto:[email protected]

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VirtuallyVirtuallyThere!There! Want to learn more about

Oracle Collaboration Suite?• Visit us at

http://www.oracle.com/collabsuite • Sign up for a free trial of Oracle Web

Conferencing– Go to www.oracle.com/start– Enter Keyword: OWTrial

• Learn how to build collaboration-enabled applications! Visit us at the Oracle Technology Network http://otn.oracle.com

http://www.oracle.com/collabsuite

http://www.oracle.com/start

http://otn.oracle.com/

http://otn.oracle.com/

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VirtuallyVirtuallyThere!There! Security Options

Documents

31 January 2016 Getting Addicted to Oracle Application Express (formerly HTML DB) Bill Holtzman National Air Traffic Controllers Association Desktop Conference