With everything about Cora Data data models still fresh in your mind, it's time to start working with Core Data. In this article, we meet NSManagedObject, the class you'll interact with most when working with Core Data. In this tutorial, you'll learn how to create, read, update, and delete records. You'll also get to know a few other Core Data classes, such as NSFetchRequest and NSEntityDescription.
Source files for the Tuts+ tutorial: Core Data and Swift: Managed Objects and Fetch Requests
Read this tutorial on Envato Tuts+.