The retrieval of data from a database in a computerized database management system is optimized through {HEAD ~ the use} of {TAIL ~ a plurality} of join indexed 
of
The retrieval of data from a database in a computerized database management system is optimized through { HEAD ~ the use } of { TAIL ~ a plurality } of join indexed
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 OTH OTH OTH