46 lines
1.1 KiB
SQL
46 lines
1.1 KiB
SQL
DELETE FROM stats$sql_summary
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WHERE(snap_id, dbid, instance_number, hash_value, text_subset) IN
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(SELECT ss.snap_id,
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ss.dbid,
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ss.instance_number,
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ss.hash_value,
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ss.text_subset
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FROM stats$sql_summary ss,
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stats$statspack_parameter sp
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WHERE ss.dbid = sp.dbid
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AND ss.instance_number = sp.instance_number
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AND ss.executions < sp.executions_th *1
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AND ss.parse_calls < sp.parse_calls_th *1
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AND ss.disk_reads < sp.disk_reads_th *1
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AND ss.buffer_gets < sp.buffer_gets_th *1
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AND ss.sharable_mem < sp.sharable_mem_th *1
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AND ss.version_count < sp.version_count_th *1)
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;
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commit;
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DELETE /*+ index(spu )*/
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FROM stats$sql_plan_usage spu
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WHERE NOT EXISTS
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(SELECT 1
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FROM stats$sql_summary ss
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WHERE ss.dbid = spu.dbid
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AND ss.instance_number = spu.instance_number
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AND ss.snap_id = spu.snap_id
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AND ss.hash_value = spu.hash_value
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AND ss.text_subset = spu.text_subset)
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;
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commit;
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DELETE FROM stats$sql_plan sp
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WHERE NOT EXISTS
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(SELECT 1
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FROM stats$sql_plan_usage spu
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WHERE spu.plan_hash_value = sp.plan_hash_value)
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;
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COMMIT;
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