{HEAD ~ Application memory} is allocated to the application from a shared memory space within {TAIL ~ the database management system} 
{ HEAD ~ Application memory } is allocated to the application from a shared memory space within { TAIL ~ the database management system }
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL