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Home -> Community -> Usenet -> c.d.o.server -> Re: function-based index for SUM(field) and GROUP BY
No, but a materialized view comes to mind... ;)
-- Cheers Nuno Souto wizofoz2k_at_yahoo.com.au.nospam "porschberg" <thomas.porschberg_at_osp-dd.de> wrote in message news:8d9566f5.0306260407.1839c5a6_at_posting.google.com...Received on Thu Jun 26 2003 - 07:42:23 CDT
> I have a SQL-Statement which looks like:
> SELECT A, B, SUM(C), SUM(D)
> FROM MYTABLE
> GROUP BY A, B
> Is it possible to enhance the performance by creating a
> function-based index say
>
> CREATE INDEX BLA ON MYTABLE
> (SUM(C),SUM(D) GROUP BY A, B)
> TABLESPACE IND ...
>
> curious Thomas