ok i think u didnt get "cumulative CPU Time for N sessions", well i will give you a simple example
Consider 2 sessions seeking CPU simultaneouly and have spent N seconds each.. Actual time elapsed is N seconds, but CPU Time computed by ORACLE and as shown in AWR/Statspack report is 2N.
Abhay
funky...
"I Dont Want To Follow A Path, I would Rather Go Where There Is No Path And Leave A Trail."
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