Can you help me?

I have a query , where i join a big partitioned table with 2 smaller tables using hash join and sort group by.
I want to use to read the big partitioned table with parallel-option to get better performance.

But i havn't any performance benefits running with parallel or without parallel!!

On Metalink i found Doc-id 212644.995 with following information:
run the explain plan and confirm there is no PARALLEL_FROM_SERIAL , they are big bottlenecks.

Do you know something about such problems with parallel? Have you also problems with parallel and big sorts?

Thank for any help!!

Best regards,

Brigitte T¨¹rk

 

 

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