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Oracle PL/SQL in 10 Minutes, Sams Teach Yourself by Ben Forta

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Lesson 10. Creating Calculated Fields

In this lesson, you will learn what calculated fields are, how to create them, and how to use aliases to refer to them from within your application.

Understanding Calculated Fields

Data stored within a database’s tables is often not available in the exact format needed by your applications. Here are some examples:

Image You need to display a field containing the name of a company along with the company’s location, but that information is stored in separated table columns.

Image City, state, and ZIP Code are stored in ...

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