V$SESSION_OBJECT_CACHE

Columns
   ___________________________
 
   PINS
   HITS
   TRUE_HITS
   HIT_RATIO
   TRUE_HIT_RATIO
   PINNED_OBJECTS
   OBJECT_REFRESHES
   OBJECT_FLUSHES
   OPTIMAL_SIZE
   MAXIMUM_SIZE
   CACHE_SIZE
   CACHE_SHRINKS
   CACHE_REFRESHES
   CACHE_FLUSHES
   CACHED_OBJECTS

Related Views:

V$ACCESS
V$MYSTAT 
V$PROCESS 				
V$SESSION 
V$SESSION_CONNECT_INFO 
V$SESSION_CURSOR_CACHE 
V$SESSION_EVENT 
V$SESSION_LONGOPS 
V$SESSION_WAIT 
V$SESSTAT 
V$SESS_IO