Unleash Core Data

Create apps with rich capabilities to receive, process, and intelligently store data that work across multiple devices in the Apple ecosystem. This book will show you how to organize your app's data and make it work for you and your users! 
With many frameworks, there’s a point in the learning curve where you stop fearing the mountain of knowledge to learn and just enjoy the power to play and develop. For some reason many developers feel that point seems harder to reach with Core Data. And that’s unjustified—Core Data is a great framework that with powerful, optimized tools right out of the box. So it's time you stopped fearing the journey and took your steps further out into the world of enjoying the power of Core Data.
With what you learn, you can build apps to deal with a large amount of data and complex relationships in intelligent and efficient ways. Core Data has many secrets underneath the hood that can power up your persistent store like never before. Tools such as Undo, objects deletion, migration, and more. Set up your store and your data model, handle objects with a multi-threading environment, write integration tests, and share your data with an Apple Watch app and iCloud.
You will:

Work with Core Data objects across apps and platforms
Write integration tests with your persistent store
Fetch, organize, write, and process data efficiently and intelligently