Wait time frequent insert

Hello
This was my exam question and still not sure about the answer
You notice there is a very high percentage of wait time for contention event in your Rac database that has frequent insert operations.
Which two recommendations may reduce this problem ?
a-)shorter transactions
b-)increasing sequence cache sizes
c-)using reverse key indexes
d-)uniform and large extents sizes
e-)automatic segment space managemnt
f-)smaller extent sizes Any suggestion ?

Again, what exam are we talking about? If you're talking about one of the Oracle certification exams, be aware that you're not allowed to discuss post exam questions on public forums or to discuss them with other candidates. That's a violation of your certification agreement.
Assuming we are not talking about an Oracle certification exam, I'd point out to the instructor that any or all the answers might be correct depending on the wait event.
Justin

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    rico wrote:
    Hi,
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    Please read the FAQ and learn how to enclose your listings in tags so we can read them.
    I can't help you at this time because I can not read what you posted.                                                                                                                                                                                                                                                                                                                                               

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