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Home -> Community -> Mailing Lists -> Oracle-L -> Re: *Measuring sql performance (elapsed time and scalability) by number of logical reads
> response time (elapsed time) = service time + wait time.
>
> as an aside, note that there are no counts anywhere in that formula. In
> your
> case the service time (cpu) is the difference. Due to the peculiarities of
> cpu
> time accounting, wait time is -0.01 for both of your queries, but plan 1
> takes 4
> times the cpu to do the work.
Is there a way to get information about how (calls to hash function or something else) service time (CPU) is used up ? Something that makes clear the difference between the two fetch actions.
Fetch 2 0.26 0.25 0 1725 0 1 Fetch 2 0.06 0.05 0 7559 0 1
Thanks,
Dimitre
-- http://www.freelists.org/webpage/oracle-lReceived on Tue May 02 2006 - 10:13:53 CDT
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