V$SQL_CS_HISTOGRAM definition in Oracle Database 11.2
V$SQL_CS_HISTOGRAM
select
address, -- ADDRESS RAW(8)
hash_value, -- HASH_VALUE NUMBER
sql_id, -- SQL_ID VARCHAR2(13)
child_number, -- CHILD_NUMBER NUMBER
bucket_id, -- BUCKET_ID NUMBER
count -- COUNT NUMBER
from
GV$SQL_CS_HISTOGRAM
where
inst_id=USERENV('Instance')