Re: MView... Fresh build is much faster than Complete refresh...
- From: "Ghassan Salem" <salem.ghassan@xxxxxxxxx>
- To: robertgfreeman@xxxxxxxxx
- Date: Wed, 22 Aug 2007 09:23:44 +0200
Robert,
do you have MV logs on the base tables?, the are cleaned up upon refresh, so
if they are 'big', it may explain the result, also, how many indexes do you
have on this MView?
rgds
On 8/22/07, Robert Freeman <robertgfreeman@xxxxxxxxx> wrote:
>
> So I have this materialized view. When I execute the create materialized
> view command, it takes 32.39 seconds to build. A complete refresh (exec
> dbms_mview.refresh('mview_name','C'); ) from the prompt this takes almost
> 3-4 times longer. Does anyone have any thoughts on why this might be so just
> right off hand. I've not run a 10046 on it yet, but I thought maybe there
> is something about MVIEW Full Refreshes that I'm just missing.
>
> RF
>
>
> Robert G. Freeman
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