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The iPhone™ Developer’s Cookbook: Building Applications with the iPhone 3.0 SDK, Second Edition by Erica Sadun

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19. A Taste of Core Data

Beginning with the 3.0 SDK, Apple has finally brought Core Data to the iPhone. The Core Data framework provides persistent data solutions. It offers managed data stores that can be queried and updated from your application. With Core Data, you gain a Cocoa Touch-based object interface that brings relational data management out from SQL queries and into the Objective-C world of iPhone development. This chapter introduces Core Data. It provides just enough recipes to give you a taste of the technology, offering a jumping off point for further Core Data learning. By the time you finish reading through this chapter, you’ll have seen Core Data in action. You’ll gain an overview of the technology and have worked through several ...

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