Understanding Core Data on iPhone: A Deeper Dive into Storing Arrays and Dictionaries

Fetching Data with NSFetchedResultsController and NSManagedObjectContext

Understanding Persistence in iPhone Core Data: Troubleshooting Common Issues

Understanding Core Data Fetching Issues: A Comprehensive Guide to Resolving the "Error while fetch" Problem

Mastering To-One, To-Many Relationships in Core Data for Scalable Apps