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2026-03-12 20:23:15

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2026-03-12 21:23:47 +01:00
parent eab4b36eca
commit 93039b8489
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44
vdh/sql_history_stats_wip.sql Normal file
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set linesize 200
set pages 50000
column instance_number format 99 heading "inst"
column snap_id format 99999999 heading "snap id"
column begin_time format a12 heading "begin time"
column end_time format a12 heading "end time"
column executions_delta format 999G999G999 heading "executions|delta"
column elapsed_time_delta format 999G999G999G999 heading "elapsed time|delta (µs)"
column disk_reads_delta format 999G999G999 heading "disk reads|delta"
column buffer_gets_delta format 999G999G999 heading "buffer gets|delta"
column iowait_delta format 999G999G999G999 heading "io wait|delta (µs)"
column clwait_delta format 999G999G999G999 heading "cluster wait|delta (µs)"
break on instance_number skip 1
select
snap.instance_number,
snap.snap_id,
to_char(snap.begin_interval_time, 'DD/MM HH24:MI') begin_time,
to_char(snap.end_interval_time, 'DD/MM HH24:MI') end_time,
stat.executions_delta,
stat.elapsed_time_delta,
stat.disk_reads_delta,
stat.buffer_gets_delta,
stat.iowait_delta,
stat.clwait_delta
from
dba_hist_snapshot snap,
dba_hist_sqlstat stat
where
snap.snap_id = stat.snap_id(+)
and snap.instance_number = stat.instance_number(+)
and stat.sql_id(+) = '&sql_id'
and snap.begin_interval_time between
to_date('&begin_time', 'DD/MM/YYYY HH24:MI')
and to_date('&end_time', 'DD/MM/YYYY HH24:MI')
order by
snap.instance_number,
snap.snap_id
;
clear breaks;