Re: tune between query/join

From: Subodh Deshpande <deshpande.subodh_at_gmail.com>
Date: Fri, 21 Oct 2011 12:24:04 +0530
Message-ID: <CAJsOtB6dWHrG4P=xnQ8pKBeWEd8XuQAbq9ZNHvVJtjVa7UY+jw_at_mail.gmail.com>

what if if you use sub-query..are there any indexes on lowest_amount and highest_amount..thanks...subodh
On 21 October 2011 11:11, amonte <ax.mount_at_gmail.com> wrote:

> Hello everyone
> I am running a query which looks like following (running in 10.2.0.4):
>
> select a.account_number, a.id, b.*
> from account a, tmp_account b
> where b.amount between a.lowest_amount and a.highest_amount
>
> account has 8000000 rows and tmp_account 150000, the execution plan shows
> merge sort join as expected, this query takes around 5 hours to run, is
> there anyway to improve this?
>
>
> Alex
>
>
> --
> http://www.freelists.org/webpage/oracle-l
>
>
>

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Received on Fri Oct 21 2011 - 01:54:04 CDT