select l.session_id,o.owner,o.object_name from v$locked_object l,dba_objects o where l.object_id=o.object_id;
select s.username,s.sid,s.serial#,s.logon_time from v$locked_object l,v$session s where l.session_id=s.sid order by s.logon_time;
alter system kill session '115,7355';