select th.snap_id, th.dbid, th.instance_number,
thread#, thread_instance_number, th.status,
open_time, current_group#, sequence#,
decode(th.con_dbid, 0, th.dbid, th.con_dbid),
0 con_id
from DBA_HIST_SNAPSHOT sn, WRH$_THREAD th
where sn.snap_id = th.snap_id
and sn.dbid = th.dbid
and sn.instance_number = th.instance_number
SELECT TH.SNAP_ID
, TH.DBID
, TH.INSTANCE_NUMBER
,
THREAD#
, THREAD_INSTANCE_NUMBER
, TH.STATUS
,
OPEN_TIME
, CURRENT_GROUP#
, SEQUENCE#
,
DECODE(TH.CON_DBID
, 0
, TH.DBID
, TH.CON_DBID)
,
0 CON_ID
FROM DBA_HIST_SNAPSHOT SN
, WRH$_THREAD TH
WHERE SN.SNAP_ID = TH.SNAP_ID
AND SN.DBID = TH.DBID
AND SN.INSTANCE_NUMBER = TH.INSTANCE_NUMBER
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