V$SYSTEM_CURSOR_CACHE

Columns
   ___________________________
 
   OPENS
   HITS
   HIT_RATIO

Related:

V$GLOBAL_TRANSACTION 
V$SHARED_POOL_RESERVED 
V$SORT_SEGMENT 
V$SORT_USAGE 
V$STATNAME 
V$SYSSTAT 
V$SYSTEM_EVENT 
V$TRANSACTION