What is Oracle Application Express (APEX)?
APEX is a browser-based Rapid Application Development (RAD) tool that helps you to create rich, interactive Oracle-based web applications. APEX is installed with Oracle Database 11g XE by default. APEX is a no-cost option for the Oracle database. Instead of downloading APEX you can sign up for an account on Oracle's hosted version of APEX at http://apex.oracle.com.
Getting started with Oracle Application Express
To start using APEX, we must create a workspace. Each workspace represents a private container in which developers create and deploy their APEX applications. A workplace is a group of applications, each containing one or more pages.
The first step in building an application using APEX is to create a workspace. To create a workspace in a freshly installed Oracle Database 11g XE, follow these steps:
1. Launch the Get Started page.
2. Click on Application Express.
3. Create a new application express user apex_hr for the existing HR database user...