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Core Data in Objective-C, 3rd Edition
book

Core Data in Objective-C, 3rd Edition

by Marcus S. Zarra
June 2016
Beginner to intermediate content levelBeginner to intermediate
240 pages
6h 17m
English
Pragmatic Bookshelf
Content preview from Core Data in Objective-C, 3rd Edition

A Simple Migration

To demonstrate a simple migration, let’s add the ability to attribute recipes to authors. To begin the versioning, the first thing we need to do is create a new managed object model (MOM) based on the first one. To do that, we select the existing model in Xcode and then choose Design > Data Model > Add Model Version.

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Publisher Resources

ISBN: 9781680502022Errata Page