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Home -> Community -> Mailing Lists -> Oracle-L -> Re: MView... Fresh build is much faster than Complete refresh...
2007/8/22, Kerber, Andrew W. <Andrew.Kerber_at_umb.com>:
>
>
>
> I have spent a lot of time looking at materialized views, and (apologies to
> Oracle), in my experience they are really only useful if you can/have to do
> incremental refreshes. A create table as select is much faster if you do a
> complete refresh.
I'd say that truncate + insert /*+ append */ as it was in 9i and can be achieved also in 10g is good enough :) And there is one big advantage - query rewrite ...
Gints Plivna
http://www.gplivna.eu
-- http://www.freelists.org/webpage/oracle-lReceived on Wed Aug 22 2007 - 15:13:13 CDT
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