On Wed, Nov 30, 2011 at 10:51 AM, Yangyang <yangyangbm(at)gmail(dot)com> wrote:
> HI, dear all
> I'm trying to force the database to select another query plan for a
> query, rather than the optimal one.
> I changed query tuning related parameters, but the query plan stays
> the same. Although the costs for nodes changed correspondingly,
> What parameters can I modify to force the DB to select another plan?
> Any hints will be helpful.
What is the database structure, query, and plan? What do you want to have
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