placing alphanumeric representations of the information on the display, wherein at least one alphanumeric representation represents {HEAD ~ a number} of {TAIL ~ the foreign keys} that one of the column belongs to 
placing alphanumeric representations of the information on the display , wherein at least one alphanumeric representation represents { HEAD ~ a number } of { TAIL ~ the foreign keys } that one of the column belongs to
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH