mple, the deletion
                 of record number 4 causes records numbered 5 and greater to be
                 renumbered downward by one. If a cursor was positioned to record
                 number 4 before the deletion, it will refer to the new record number
                 4, if any such record exists, after the deletion. If a cursor was
                 positioned after record number 4 before the deletion, it will be
                 shifted downward one logical record, continuing to refer to the