select a.sid, a.serial# from v$session a, v$locked_object b, dba_objects c where b.object_id = c.object_id and a.sid = b.session_id and OBJECT_NAME= 'DUMMY'; / alter system kill session '2278,55879';
select a.sid, a.serial# from v$session a, v$locked_object b, dba_objects c where b.object_id = c.object_id and a.sid = b.session_id and OBJECT_NAME= 'DUMMY'; / alter system kill session '2278,55879';