Re: Materialized View+complete refresh

have you checked/created a histogram of the wait events the refresh creates? Where is most of the time spent? (There are several methods v $sesstat, ash, statspack, event10046, ... ) Then it might be easier to target this part of the refresh, instead of just guessing arount.

just an idea,
  Martin

> Hi ,
> i have a materialized view , Only Complete referesh is possible on
> that view since it contains lot of subquerys ,
> In order to complete refresh it takes 20 minutes to do that,
> So i need to reduce the refreshing time,
>
> Plz help me out to solve this issue ...
>
> Regards,
> Mohammed Mehraj Hussain.
> Bangalore
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> http://www.freelists.org/webpage/oracle-l

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