What happen if a user history is done and next sprint the PO, realize that it has to be enhanced with some adds, more functionality that impacts in the DB too. We have to create another US?... brings the US back to board and add the new activities? We have to do anything else?
Story consists of 3C - Card, Conversation, Confirmation and US "dies" is the Sprint when it's Done and Converstation is over. Thus formally a new story should be created even if it's similar (iterative devolopment).
NB this is true even when work associated with an old story is found to have defects. New ticketed work can be raised *against* the old story (i.e. referencing it), or you can duplicate the story and give it better acceptance criteria. A story can be cloned and improved but never brought back from the grave. Once its conversation is over, a story is finished.