Writing a Data-Driven Application

One of the most common ways to store data in an application is to use a database. If you’ve followed the introductory learning path, you learned how to write a Liferay application using only the simple API for portlet preferences. While that method allows you to create some simple applications, it doesn’t scale well, and the amount of data you can store is limited. This learning path picks up where that one left off: here, you’ll learn how to turn the Guestbook into a full-fledged, database-driven application.

The data-driven guestbook can store and display entries for many different guestbooks.

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