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oracle11g自动调优(二)
2015-07-24 11:01:40 来源: 作者: 【 】 浏览:3
Tags:oracle11g 自动
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Predicate Information (identified by operation id):
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3 - filter("OBJECT_TYPE"='TABLE')
Result Cache Information (identified by operation id):
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1 - column-count=1; dependencies=(HJ.DBTAN); attributes=(single-row); parameters=(nls); name="select /*+ result_cache */ count(*) from (select * from HJ.dbtan where object_type='TABLE' ORDER BY 1 DESC ,2 ASC ,3 DESC ,4 AS
2- Using New Indices
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Plan hash value: 2810514733
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| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time |
-------------------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT | | 1 | 11 | 189 (1)| 00:00:03 |
| 1 | RESULT CACHE | 27yjysxpdun18b2utun82bynny | | | | |
| 2 | SORT AGGREGATE | | 1 | 11 | | |
|* 3 | INDEX RANGE SCAN| IDX$$_00360001 | 40006 | 429K| 189 (1)| 00:00:03 |
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Predicate Information (identified by operation id):
---------------------------------------------------
3 - access("OBJECT_TYPE"='TABLE')
Result Cache Information (identified by operation id):
------------------------------------------------------
1 - column-count=1; dependencies=(HJ.DBTAN); attributes=(single-row, ordered); parameters=(nls); name="select /*+ result_cache */ count(*) from (select * from HJ.dbtan where object_type='TABLE' ORDER BY 1 DESC ,2 ASC ,3 DESC ,4 AS"
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begin DBMS_SQLTUNE.drop_tuning_task (task_name => 'ft8s1pfmz9ph0d_AWR_tuning_task');end;
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