Oracle APEX Cookbook - Second Edition

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 ...