Mastering WidgetKit in SwiftUI 4, iOS 16 with Dynamic Island - Managed Object Context

The video tutorial explains how to set up a persistent container and manage object context in Core Data. It covers creating multiple contexts to improve performance, establishing relationships between contexts, and implementing save functions to handle context changes. Additionally, it discusses batch delete operations using extensions to optimize data management.

What are the benefits of using multiple contexts in Core Data?

How do you establish a parent-child relationship between two NSManagedObjectContexts?

What is the role of the performAndWait method in NSManagedObjectContext?

Explain how changes are merged in NSManagedObjectContext.