Delete an object in core data

Question

I have an entity in my core data model like this:

@interface Selection : NSManagedObject

@property (nonatomic, retain) NSString * book_id;
@property (nonatomic,         


        

Answer 1

You should perform a fetch request using an NSPredicate with the appropriate conditions, and then call the deleteObject: method on NSManagedObjectContext with each object in the result set.