What features I can disable?

Hi, some of the queries in our db consumes 100% of CPU for a couple of seconds. I've got a quest to find out, which oracle features can be disabled e.g. how to simplify the Oracle to the least necessary minimum to get rid of the CPU's peaks. It's not about tuning queries or the database parameters. Thanks a lot...

I guess the first two posters trying to say is you have a wrong approach. The first two poster is me, right ? Then yes, approach is wrong. This is not by checking CPU that we tune a database.
And a lot of time, It IS about tuning queries or the database parameters. No more than Hans has already said earlier, but right. And once more, this is not with CPU checking that we determine what parameter and what queries need to be tune.
Unless to fall in the Compulsive Tuning Disorder, some serious studies based on database reports are required.
Nicolas.

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