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CoreData, NSPredicate, searching for object with a specific number objects of relationships

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CoreData, NSPredicate, searching for object with a specific number objects of relationships

Subject: CoreData, NSPredicate, searching for object with a specific number objects of relationships
From: Ruotger Skupin <email@hidden>
Date: Wed, 18 Apr 2007 17:13:06 +0200

Hi,

considering this Apple documentation example (http:// developer.apple.com/documentation/Cocoa/Conceptual/CoreData/Art/ employee_object_graph.gif):

Is it possible to form a predicate to find all employees that neither have a department nor a manager?

Is this possible with to-many-relationships (e.g. find all departments that have no employees)?

Roddi


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