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Oracle-AWR-Segments by Row Lock Waits

lcc0556

Segments by Row Lock Waits
查询SQL：

ALTER SESSION SET nls_timestamp_format='DD-MON-RR HH24:MI';

SELECT P.snap_id,
  P.begin_interval_time,
  O.owner,
  O.object_name,
  O.subobject_name,
  O.object_type,
  S.row_lock_waits_delta
FROM dba_hist_seg_stat S,
  dba_hist_seg_stat_obj O,
  dba_hist_snapshot P
WHERE S.dbid               =O.dbid
AND S.ts#                  =O.ts#
AND S.obj#                 =O.obj#
AND S.dataobj#             =O.dataobj#
AND S.snap_id              =P.snap_id
AND S.dbid                 =P.dbid
AND S.instance_number      =P.instance_number
AND S.row_lock_waits_delta > 0
AND P.snap_id BETWEEN      <begin_snap>  AND <end_snap>
ORDER BY 1,3,4;
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