45 lines
1.2 KiB
MySQL
45 lines
1.2 KiB
MySQL
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SET HEA ON LIN 500 PAGES 100 TAB OFF FEED OFF ECHO OFF VER OFF TRIMS ON TRIM ON TI OFF TIMI OFF;
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COL parameter_name FOR A30;
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COL value FOR A30;
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COL prior_value FOR A30;
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WITH
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all_parameters AS (
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SELECT /*+ MATERIALIZE NO_MERGE DYNAMIC_SAMPLING(4) */ /* 1a.30 */
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snap_id,
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dbid,
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con_id,
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instance_number,
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parameter_name,
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value,
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isdefault,
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ismodified,
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LAG(value) OVER (PARTITION BY dbid, con_id, instance_number, parameter_hash ORDER BY snap_id) prior_value
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FROM dba_hist_parameter
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)
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SELECT /*+ NO_MERGE */ /* 1a.30 */
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TO_CHAR(s.begin_interval_time, 'YYYY-MM-DD HH24:MI:SS') begin_time,
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TO_CHAR(s.end_interval_time, 'YYYY-MM-DD HH24:MI:SS') end_time,
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p.snap_id,
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p.con_id,
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--p.dbid,
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p.instance_number,
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p.parameter_name,
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p.value,
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p.isdefault,
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p.ismodified,
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p.prior_value
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FROM all_parameters p,
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dba_hist_snapshot s
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WHERE p.value != p.prior_value
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AND s.snap_id = p.snap_id
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AND s.dbid = p.dbid
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AND s.instance_number = p.instance_number
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ORDER BY
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s.begin_interval_time DESC,
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--p.dbid,
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p.instance_number,
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p.parameter_name
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/
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