Code ID Name Record No. 101 101-1 mk -1 && buffered new record 101 101-1 ms -2 && buffered new record 101 101-2 mm -3 && buffered new record 101 101-1 mr 501 && buffered old record 101 101-2 mx 550 && buffered old recordi want to save the records, only have ID="101-1"