V$DB_OBJECT_CACHE

Columns
   ___________________________
 
   OWNER
   NAME
   DB_LINK
   NAMESPACE
   TYPE
   SHARABLE_MEM
   LOADS
   EXECUTIONS
   LOCKS
   PINS
   KEPT
   CHILD_LATCH

Related:

V$CACHE
V$LIBRARYCACHE 
V$ROWCACHE 
V$ROWCACHE_PARENT 
V$ROWCACHE_SUBORDINATE 
V$SUBCACHE