Re: disable histogram usage at session / statement level
Date: Thu, 18 Mar 2021 14:40:56 +0400
Message-ID: <CAEfe=X98EzFs0xwm=PoUF3zRyqktWxk8AXVch+4mFPX7rVXRTQ_at_mail.gmail.com>
Hi,
Best Regards
On Thu, Mar 18, 2021 at 2:16 PM Jonathan Lewis <jlewisoracle_at_gmail.com>
wrote:
>
Have you checked that one:
/*+ opt_param('_optimizer_use_histograms' 'false') */
> Adding the hint
>
> /*+ opt_param('_fix_control','9550277:1') */
>
> seems to work.
>
> Regards
> Jonathan Lewis
>
>
>
>
> On Thu, 18 Mar 2021 at 09:49, Laurentiu Oprea <laurentiu.oprea06_at_gmail.com>
> wrote:
>
>> Hello,
>>
>> Is there a method to influence the optimizer at session / statement level
>> to avoid histogram (especially hybrid) usage?
>>
>> Thank you.
>>
>
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Received on Thu Mar 18 2021 - 11:40:56 CET