Re: large SORT_AREA_SIZE usefullness

[Danisment Gazi Unal (Unal Bilisim)]

Hello Johnson,

There are great papers at
http://www.fortunecity.com/skyscraper/oracle/699/orahtml/

But, I still disagree with you. Becasue, tuning SORT will not make benefit
in your case.

yes, you are right, it's not easy to generate good SQL if SQL is generated
by end-users. I don't know your design, perhaps, you can add hidden
indexed-columns to generated SQLs to make end-users to use indexes.

regards...

Johnson Poovathummoottil wrote:

>  Hi Danisment Gazi Unal,
>
> Itprof's suggestion is valid that I should be able to
> use an index to speed up this query.
>
> But my objective here is to help sorting. Many users
> write adhoc queries to into my warehouse and all are
> not going to be tuned queries. Many go for full
> tablescans  on some big fact tables and sort like
> hell.
>
> We do have some good indexes for often used queries.
> But it is the adhoc one which people cook up that hurt
> us bad.
>
> So my intention is to tune sorts. In that light could
> you give me an explanation for the query running slow
> because the sort_area_size was increased?
>
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Author: Danisment Gazi Unal (Unal Bilisim)
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