GV$SESSION_CURSOR_CACHE definition in Oracle Database 11.2
GV$SESSION_CURSOR_CACHE
select
inst_id, -- INST_ID NUMBER
kgscugmax, -- MAXIMUM NUMBER
kgscugcnt, -- COUNT NUMBER
kgscugopn, -- OPENS NUMBER
kgscughit, -- HITS NUMBER
decode( -- HIT_RATIO NUMBER
kgscugopn,0,1,kgscughit/kgscugopn)
from
x$kgscc