Xcode 3 Unleashed

Chapter 16. Using the Data Modeling Tools

<feature><title>In This Chapter</title>

• Branching in Version Control

• Designing a Data Model

• Un-coding for Core Data

• Adding to a Data Model

• Core Data’s Prebuilt Human Interface

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Mac OS X 10.4 (Tiger) introduced Core Data, an object-persistence framework that can front for a binary file, a flat XML file, or an SQLite database. Core Data automates most tasks in storing, retrieving, and managing complex data models. In this chapter, we make Linear a Core Data–based application.

Version Control: Branching

We have come to a divergence in our project. For the Core Data version, we have begun work on a separate “product” from the Linear we’ve produced so far. We want the option of developing the base version ...