Please Help!! Easy Application Tuning Question

Ok - this should be an easy one for seasoned vets (but not for a newbie like me)
I've been asked by the boss-man to "find and tune the SQL that's causing the slowdown . . . " I'm on Oracle 817 running Peoplesoft Application. I've located the main problems with the Application and have some solid ideas about how to improve the SQL. So - my question. How the heck do I get into the Peoplesoft (or any other Application for that matter) SQL code to change it. Everything I read says, " . . . and then you can go in and tune the SQL . . . " but never exaplins how exactly to 'get in'. I can't imaging there is a File-->Open-->SQL Code feature, it must be more complex than that. So what am I missing here and how do I get to the place where I can change the Application's SQL for tuning?!?!?!?
Thanks in advance for any help you give.

Peoplesoft owns the application code. So you can't change the application code. However, you can examine the code and see if there are some indices that you can create to improve the query. Also, you will need to rebuild your statistics. As a matter of maintenance, you should rebuild your indices and statistics on a regular schedule. Especially if your optimizer parameter is choose and you have high volatility.
Alternatively, you could ask Peoplesoft to provide you with a patch.
Maybe someone else has another idea?
LM

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http://deneskubicek.blogspot.com/
http://www.opal-consulting.de/training
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HI,
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user12009184 wrote:
HI,
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1)how to check which object in database need to be reorg.If you see a performance problem, then you evaluate it to see what the real problem is. There are some things that can necessitate a reorg - bugs, massive deletes, certain application designs, old problems - bug in general, it is not necessary.
2)how to calculate approx.sapce required to create perticular index.Look in the [url http://bit.ly/wlJgYD]freaking docs.
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6)what database helth releted activity need to perform in database for weekly or monthly basis like (reclaim the object space and many others)There aren't many, but MOS has some interesting articles on health checking databases.
>
>
thanks.Is this schoolwork?

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