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Whilst the preceding chapters of this book have looked at data storage within the context of iOS 4 iPhone based applications, this coverage has been limited to using basic file and directory handling and object archiving. In many instances, by far the most effective data storage and retrieval strategy requires the use of some form of database management system.
In order to address this need, the iOS 4 SDK includes everything necessary to integrate SQLite based databases into iPhone iOS applications. The goal of this chapter, therefore, is to provide an overview of how to use SQLite to perform basic database operations within your iPhone application. Once the basics have been covered, the next chapter (entitled [[An Example SQLite based iOS 4 iPhone Application (Xcode 4)|[An Example SQLite based iOS 4 iPhone Application]]) will work through the creation of an actual application that uses a SQLite database to store and retrieve data.
== What is SQLite? ==
