// keepOrder cannot have any effect: the order inside the database file cannot be maintained, but iteration over objects will always maintain the object order
// keepOrder cannot have any effect: the order inside the database file cannot be maintained, but iteration over objects will always maintain the object order
// therefore keepOrder should be true, because the effect is always given, while the data structure does not maintain order
// therefore keepOrder should be true, because the effect is always given, while the data structure does not maintain order