Explain parent-child context setup. How does it work?

781

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Who calls the dealloc strategy? Would we be able to implement dealloc in arc? In the event that indeed, what is the need to do that?

852

---

What is message forwarding?

826

---

What is the benefit of setting reuseidentifier to a non-nil value?

758

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What are the different store migration options? When are they used?

815

---

What is nsmanagedobjectcontext?

870

---

What performance issues can you face when using coredata?

909

---

How do you setup/initialise a core data stack in your application?

880

---

What is category and class extension?

869

---

What are the different delete rules that a relationship can have?

749

---

what are fetched properties? How do you create a fetched property?

812

---

What is nspersistentstore? Is it thread safe?

941

---

What is a fault?

818

---

Is core data is thread safe?

834

---

What is messaging? How does the runtime handle message passing?

763

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