Can multiple (two) persistent stores be used with one object model, while maintaining relations from one to the other?

Question

Introduction

My iOS project ships with a Core Data persistent store weighing some 160MB in SQLite format. There is a ton of grouped information in t

Answer 1

Yes, you may use multiple stores for a single model, but you can't create relationships between objects in different stores. Look for the Cross Store Relationships section in Core Data Programming guide, which says essentially that and recommends using fetched properties if you need to relate an object in one store to an object in another.