Chapter 1. An Overview of Core Data on iOS Devices

Mac OS X 10.4 Tiger introduced Core Data to provide a unified framework for storing and fetching an application’s model data. Further enhanced under Mac OS X 10.5 Leopard, Apple subsequently made it available for use on iOS devices from iPhone OS 3.0 onward. The Core Data framework certainly alleviates most of the hassle of working with model data, but it can also seem to have a pretty steep learning curve.

This overview begins with a brief history of Core Data’s development, before looking at a high-level overview of the framework itself. The final section of this ...

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