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