One particular way that benefit data can be compared is for the shared memory to contain a single record including {HEAD ~ the overall benefit} for the database having the highest benefit, and if that benefit record does not exist, {TAIL ~ the first database} to look for the benefit data will record that databases overall benefit data in the shared memory 
One particular way that benefit data can be compared is for the shared memory to contain a single record including { HEAD ~ the overall benefit } for the database having the highest benefit , and if that benefit record does not exist , { TAIL ~ the first database } to look for the benefit data will record that databases overall benefit data in the shared memory
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH