Application express

Oracle APEX
A . Antony Alex MCA
Dr G R D College of Science – CBE
Tamil Nadu - India
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DEVELOPMENT - ORACLE SERVER
• SUPPORT FOR
• CLIENT-SERVER
• 8 - INTERNET
• 10 - GRID• 10 - GRID
• 12 - CLOUD
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ORACLE
CLIENT
ORACLE LISTENER
CONNECTING ORACLE CLIENT & ORACLE SERVER
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ORACLE
SERVER
CONNECTING ORACLE CLIENT & ORACLE SERVER
o Requires Client Installation
o Configuration of Listener
o Requires More Resources

Rapid Application Development
o Quick Development of Software Applications
o Visual Tools for Development
o Very Little Custom Coding/Programming
o Easier to Manage Code and Functionality
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o Faster Testing and Debugging
o Simpler Collaboration among multiple skill sets
o Shorter Timelines Lower Budgets
o Greater Flexibility with changing/adding requirements

Oracle Application Express
(Oracle APEX)(Oracle APEX)
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Oracle APEX - History
HTML
DB 1.5
[2004]
•First
Release
HTML DB
2.0 [2005]
•SQL
Workshop
Application
Express 2.2
[2006]
•Packaged
Applications
Application
Express 3.1
[2008]
•Interactive
Reports
Application
Express 4.0
[2010]
•Websheets,
Dynamic
Actions, Plug-
Ins, Team
Development
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HTML DB
1.6
[2004]
•Themes
Application
Express 2.1
[2006]
•Oracle XE
Application
Express 3.0
[2007]
•Flash Charts,
PDF Printing,
Access
Migration
Application
Express 3.2
[2009]
•Oracle Forms
Conversion
Application
Express 4.1
[2011]
•Data Upload,
Error
Handling,
ROWID

Overview
• Database centric Rapid Application Development (RAD)
• No cost feature of the Oracle Database – All Editions
• 100% Browser-Based and Declarative
• Use SQL Workshop to create and manage DB objects• Use SQL Workshop to create and manage DB objects
• Use Application Builder to create Web 2.0 Applications
• Leverage SQL skills to build reports, charts and forms
• Popular; extremely active OTN forum, high adoption
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Architecture
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• Simple 2-Tier Architecture
• Pages dynamically rendered using Meta data
• No code generation or file based compilation
• Runs everywhere Oracle Database runs

Workspace
• Oracle Application Express enables a single database to
host large numbers of users.
• Users work in a dedicated work area called a
workspace.
• A workspace is a virtual private database that enables
multiple users to work within the same Oracle
• A workspace is a virtual private database that enables
multiple users to work within the same Oracle
Application Express installation while keeping their
objects, data and applications private.
• Flexible architecture enables a single database instance
to manage thousands of applications.
• It turns a single database into a hosted service, making
it an ideal platform for consolidation of smaller data
stores.
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Private Cloud Development Service
• Allows IT Departments to provide DB as a Service
• One Oracle instance supports 100’s of “Workspaces”
• Workspaces provide access to one or more DB Schemas
• Multi-tenant provisioning supports consolidation
• Fully Automated Self-service Provisioning
• Database and Application Development
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• Database and Application Development

Building Applications
in Oracle APEX
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in Oracle APEX

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• Oracle application development home page
• Click Application Builder to develop applications
• Click SQL Workshop to develop database

Full SQL Capabilities using APEX SQL Workshop
Browse Database Objects Run SQL or SQL Scripts
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Building Applications in Oracle APEX
Creating an application
1. Initiate Create App Wizard
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2. Add Pages
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3. Confirm and Create
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4. Run Applications
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Click to edit page component
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Edit component
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Run page to view changes
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Export Application
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Export generates a SQL Script

Team Development & Administration
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Benefits & Features
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No Cost Feature of In Browser DevelopmentRAD
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Declarative Web 2.0 Self ServiceLeverage SQL Skills
SELECT *
FROM EMP

Data-driven Applications
Develop opportunistic and departmental
productivity applications
Oracle Forms Modernization
Leverage SQL & PL/SQL declarative
programming skills to move Forms
applications to HTML / Web 2.0
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Online Reporting
Build SQL-based reporting
applications on existing
database schemas
Access Replacement
Consolidate outgrown Access applications to
the Oracle database with an APEX Web front
end
Spreadsheet Web-ification
Convert spreadsheets to Web applications
where they can be concurrently viewed and
edited

Reports
Forms
Charts
Validations
Processes
Computations
Translation
Services
Conditional
Processing
Authentication
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Calendar
Templates
Navigation
Branches
Web Services
Email Services
Authorization
Session State
Management
Logging &
Monitoring

Development / Deployment Options
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•Locally
• Install on Stand-alone machine
•Multi-tenant Private Cloud
• Workspaces for each department
• Self-service provisioning model
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• Self-service provisioning model
•Public Cloud
• Hosting partners
• Amazon EC2

External Links
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External Links

Oracle Technology Network (OTN)
http://otn.oracle.com/apex
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Hosted “Development” Service
http://apex.oracle.com
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Enhanced themes and HTML templates to enable developers to
declaratively create mobile applications and/or mobile pages.
Incorporate HTML 5 charting capabilities.
Declarative specification of REST ful Web services mapped to SQL
Future
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Declarative specification of REST ful Web services mapped to SQL
and PL/SQL.
Modal Dialogues
Multiple Tabular Forms on one page
Master-Detail-Detail support
Multiple Interactive Reports on one page

Application express

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