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  • Book Overview & Buying Oracle APEX Cookbook : Second Edition
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Oracle APEX Cookbook : Second Edition

Oracle APEX Cookbook : Second Edition - Second Edition

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Oracle APEX Cookbook : Second Edition

Oracle APEX Cookbook : Second Edition

4.6 (7)

Overview of this book

As a Cookbook, this book enables you to create APEX web applications and to implement features with immediately usable recipes that unleash the powerful functionality of Oracle APEX 4.2. Each recipe is presented as a separate, standalone entity and the reading of other, prior recipes is not required.It can be seen as a reference and a practical guide to APEX development.This book is aimed both at developers new to the APEX environment and at intermediate developers. More advanced developers will also gain from the information at hand.If you are new to APEX you will find recipes to start development and if you are an experienced user you will find ways to improve your productivity and efficiency and make the most of APEX to enhance your applications.A little knowledge of PL/SQL, HTML and JavaScript is assumed.
Table of Contents (16 chapters)
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15
Index

Introduction


Data-centric applications can have many different architectures. In some of these architectures, the data is not even in the database itself. In these cases, a possible scenario can be that the data is collected by calling web services.

Essentially, a web service provider offers a way for external applications to unlock its data, but not give away total access to its database (or other data sources).

A call to a web service will have to satisfy certain standards as set by the World Wide Web consortium (W3C). Since the fourth version of Application Express, it provides the possibility to natively call two of these standards: Simple Object Access Protocol (SOAP) and Representational State Transfer (REST). But by using a little more PL/SQL and XML DB, it's possible to use any type of web service in APEX.

In this chapter we are going to create some examples of how to use web services in APEX.

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