wal

To disable WAL mode, set the journal_mode to DELETE NSMutableDictionary *pragmaOptions = [NSMutableDictionary dictionary]; [pragmaOptions setObject:@”DELETE” forKey:@”journal_mode”]; NSDictionary *options = [NSDictionary dictionaryWithObjectsAndKeys:[NSNumber numberWithBool:YES], NSMigratePersistentStoresAutomaticallyOption, [NSNumber numberWithBool:YES], NSInferMappingModelAutomaticallyOption, pragmaOptions, NSSQLitePragmasOption, nil]; [_persistentStoreCoordinator addPersistentStoreWithType:NSSQLiteStoreType configuration:nil URL:storeURL options:options error:&error]