Chapter 1. An Introduction to APEX 4

Welcome to the wonderful world of Oracle Application Express (APEX). You're about to learn how to use a tool that we believe will revolutionize the way you think about and approach writing web-based Oracle systems. It certainly has for us.

Prior to the advent of APEX, developing fully interactive web based systems over data that resided within an Oracle database almost always meant learning a new and often complex language like Java, .NET, or PHP and then figuring out how to integrate your chosen language seamlessly with the data that resided in your database. Often this also meant trying to incorporate business rules that were already coded in the form of PL/SQL.

In such situations, it could take months or even ...

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