Find Locked Sessions

set lines 100 pages 999
col username format a20
col sess_id format a10
col object format a25
col mode_held format a10
select oracle_username || ' (' || s.osuser || ')' username,
       s.sid || ',' || s.serial# sess_id,
       owner || '.' || object_name object,
       object_type,
       decode( l.block, 0, 'Not Blocking', 1, 'Blocking', 2, 'Global') status,
       decode(v.locked_mode, 0, 'None', 1, 'Null', 2, 'Row-S (SS)', 3, 'Row-X SX)'
 , 4, 'Share'
 , 5, 'S/Row-X (SSX)'
 , 6, 'Exclusive', TO_CHAR(lmode)) mode_held
    from v\$locked_object v,
         dba_objects d,
         v\$lock l,
         v\$session s
   where v.object_id = d.object_id and
         v.object_id = l.id1 and
         v.session_id = s.sid
   order by oracle_username, session_id;

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