Accordingly, {TAIL ~ each database} can compare their respective benefit data with the benefit data of {HEAD ~ the neediest database} on the system 
Accordingly , { TAIL ~ each database } can compare their respective benefit data with the benefit data of { HEAD ~ the neediest database } on the system
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH