Oracle Application Express Architecture

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17 Νοε 2013 (πριν από 3 χρόνια και 11 μήνες)

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Oracle Application Express

Architecture

© 2009 Oracle Corporation

Architectural Overview



Integrated within the database 9iR2, 10g, 11g, XE



Meta data driven



Uses APEX Listener, Embedded Gateway or
ModPLSQL

© 2009 Oracle Corporation

Page Processing



Each request opens / closes Database session


Doesn’t keep a Database session open for each user



Page Request / Submission processing adds minimal overhead


© 2009 Oracle Corporation

Multi
-
Tenant SaaS


Single Oracle Database for multiple applications


Provides virtual private databases


Self
-
service or IT managed provisioning

© 2009 Oracle Corporation

Oracle APEX Deployment Options

Deployable on any Oracle Database accessed using only a Web browser

Cloud / Hosted


On Premise


In Datacenter


On Premise
-

Departmental Server


Personal Database


© 2009 Oracle Corporation

Oracle APEX and Amazon Cloud

© 2009 Oracle Corporation

Oracle APEX and Amazon Cloud

Why APEX makes sense for the Cloud



Very few moving parts


Simple to manage



Browser based development / deployment / runtime



No client
-
side dependencies



Multi
-
Tenant SaaS provides multiple “workspaces”



Applications easy to migrate to other deployments



Database Backups also backup application source



Oracle AMI includes APEX
(may require upgrade)



Webservice Support


© 2009 Oracle Corporation

© 2009 Oracle Corporation

Building Integrated Applications

© 2008 Oracle Corporation


Proprietary

Integrating APEX & BI Publisher


Declarative PDF reporting services


Create professional “high
-
fidelity” reports


Range of document formats


Ability to define multiple queries


© 2009 Oracle Corporation

Oracle APEX Listener


Available Soon

The Oracle Application Express Listener is a Java based mod_plsql replacement for all Oracle APEX
releases. The java based listener will support file system caching, FOP transformations to PDF and
improved file upload with Oracle APEX 4.0. The APEX listener will support popular versions of Apache,
Web Logic, Tomcat and OC4J. The Java based listener is also extensible.