The computer readable storage medium 10, wherein determining {HEAD ~ the split content} to move from {TAIL ~ the database} to the different database, comprises dividing the database into approximately equal portions that is stored in the database and moving a smaller of the portions to the different database 
to move from
The computer readable storage medium 10 , wherein determining { HEAD ~ the split content } to move from { TAIL ~ the database } to the different database , comprises dividing the database into approximately equal portions that is stored in the database and moving a smaller of the portions to the different database
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH