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More iPhone 3 Development: Tackling iPhone SDK 3 by Jeff LaMarche, Dave Mark

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Part I. Core Data

Core Data is Apple's framework for persisting data to the file system. Using Core Data, you deal with your program's data as objects, and let the framework deal with the gnarly specifics of how to save, find, and retrieve those objects. Over the next several chapters, you'll see how to use Core Data so that you can develop your apps more quickly and get better performance than with traditional persistence mechanisms.

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