Q on SQL Performance tuning

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От Bhupathi, Kaushik (CORP)
Тема Q on SQL Performance tuning
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Msg-id A55AA5B30958C74083D731937B524ED685A61BFC@DC2PRMBX06A.ES.AD.ADP.com
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Ответы Re: Q on SQL Performance tuning  (legrand legrand <legrand_legrand@hotmail.com>)
Re: Q on SQL Performance tuning  (Justin Pryzby <pryzby@telsasoft.com>)
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Hi Team, I’ve few Questions on SQL perf tuning.

 

1)      Is there any SQL monitoring report that’s available in Oracle. Highlight of the report is it tells the  % of time spent on CPU & IO. And which step took how much % in overall execution.

2)      Is there anyway to know the historical execution plan details of a particular SQL ? Per my understanding so far since there is no concept of shared pool unlike Oracle every execution demands a new hard parse. However wanted to check with experts to know if any extension available on this?

 

 

Thanks!
-Kaushik


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