V$ROWCACHE_PARENT definition in Oracle Database 11.2
V$ROWCACHE_PARENT
select
indx, -- INDX NUMBER
hash, -- HASH NUMBER
address, -- ADDRESS RAW(8)
cache#, -- CACHE# NUMBER
cache_name, -- CACHE_NAME VARCHAR2(64)
existent, -- EXISTENT VARCHAR2(1)
lock_mode, -- LOCK_MODE NUMBER
lock_request, -- LOCK_REQUEST NUMBER
txn, -- TXN RAW(8)
saddr, -- SADDR RAW(8)
inst_lock_request, -- INST_LOCK_REQUEST NUMBER
inst_lock_release, -- INST_LOCK_RELEASE NUMBER
inst_lock_type, -- INST_LOCK_TYPE VARCHAR2(2)
inst_lock_id1, -- INST_LOCK_ID1 RAW(4)
inst_lock_id2, -- INST_LOCK_ID2 RAW(4)
key -- KEY RAW(100)
from
gv$rowcache_parent
where
inst_id = USERENV('Instance')