select s.sid, s.serial#, p.spid,s.osuser, s.username,s.SQL_HASH_VALUE,s.status,s.machine,s.program,s.module,s.LOGON_TIME from v$session s, v$process p where s.paddr = p.addr and s.sid in (select SESSION_ID from v$locked_object);
select * from v$sql where hash_value=4260304665; select * from v$session where sid=591;