To derive any benefit from this chapter, you need to have an Application Express environment set up. If you are already a regular user of Application Express, you can follow these examples using your own applications. In this case, you can skip the section on Setting up in Application Express, which is about creating a workspace and schema for the examples that follow. Alternatively, you can follow the preparation setup steps provided next to create an example that you can delete later.
If you are new to Application Express, you can still take advantage of the combination of the two tools and the details in this chapter. Before you start, it is recommended that you visit the Getting Started section on http://apex.oracle.com
(http://www.oracle.com/technetwork/developer-tools/apex/overview/index.html). The site provides a number of useful links to help you get Application Express set up and to familiarize yourself with the environment.
To understand the examples we use in this...