Core Data for iOS: Developing Data-Driven Applications for the iPad, iPhone, and iPod touch

Chapter 2. A Core Data Primer

IN THIS CHAPTER

• Persisting Objects to Disk

• The Core Data Approach

• Examining the Xcode Core Data Templates

In order to get the most out of Core Data, it’s extremely important to have a firm understanding of its fundamental operations. Over the course of this chapter, you’ll learn the key terms and features of the different parts of a Core Data-based application.

Before looking at the Core Data terms, though, take a moment to think about how you might work with persisted data in an application without using Core Data.

Persisting Objects to Disk

When you’re working with data to be saved in an application, you typically have collections of objects, maybe held in arrays, sets or dictionaries, which need to be ...