- What does a persistent store coordinator do?
b) It talks to the persistent store.
- What is the function of managed object context?
b) It mediates between managed objects and the persistent store coordinator.
- How many managed object contexts can you use in an app?
c) An unlimited amount.
- What is the correct way to call
save()on a managed object context?
c) try save().
- When should you use a fetched results controller?
b) Only when you need to fetch data from the database and want to react to changes.
- Does a fetched results controller always go to the database to fetch data?
c) Yes, all fetch requests must go to the database.