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Oracle APEX Cookbook - Second Edition by Marcel Van Der Plas, Michel Van Zoest

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Chapter 8. Using Web Services

In this chapter, we will cover:

  • Creating a SOAP web service reference
  • Creating a REST web service reference
  • Building a page based on a web service reference
  • Publishing a RESTful web service

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 ...

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