# Apple Database

- [CloudKit](/databases/apple-database/cloudkit.md)
- [CoreData](/databases/apple-database/coredata.md): #coredata #datamodel
- [NSError](/databases/apple-database/coredata/nserror.md)
- [NSFetchRequest](/databases/apple-database/coredata/nsfetchrequest.md): #nsfetschrequest
- [NSManagedObject](/databases/apple-database/coredata/nsmanagedobject.md): #nsmanagedobject
- [NSMergePolicy](/databases/apple-database/coredata/nsmergepolicy.md): #nsmergepolicy #merge #datamerge #mergepolicy #mergepropertyobjecttrump
- [NSPredicate](/databases/apple-database/coredata/nspredicate.md): #nspredicate #predicate #filter #%@ #%K
- [FetchRequest](/databases/apple-database/coredata/fetchrequest.md): #fetchrequest #fetchedresults
- [Relationships](/databases/apple-database/coredata/relationships.md): #coredata #relationship #inverse
- [.hasChanges](/databases/apple-database/coredata/.haschanges.md): #haschanges
- [KeyChain](/databases/apple-database/keychain.md): #keychain
- [UserDefaults](/databases/apple-database/userdefaults.md): #userdefaults