Afficher les locks sous Oracle

SELECT 

                o.owner, o.object_name, o.object_type, 

                o.last_ddl_time, o.status, l.session_id, 

                l.oracle_username, l.locked_mode
FROM 

                dba_objects o, gv$locked_object l
WHERE 

                o.object_id = l.object_id;