RE: Optimizer and block size changes = trouble...

Nuno, thanks for your response

>
>
> ----- Original Message -----
> >
> > have you tried to disable hash joins explicitly via
> > hash_join_enabled = false ?
>
> No. I want to have hash joins. They are
> darn useful for some of the SQL. But they
> are contemptuous when they become too familiar. <g>
>

Yes, I see. It would be interesting to see what effect the disabling can do. Of course if you have time and opportunity.

Probably event 10053 (before and after) can shed some light and helps to catch the difference of CBO's behaviour

Regards,
Ed

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Author: Shevtsov, Eduard
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