Speaking about the first question I think it was pretty clear in the book: In releases ______*prior to Oracle9i*________, tim is a V$TIMER.HSECS value expressed in centiseconds (1 cs = 0.01 seconds). As I'm more on development side, don't have any big experience on AIX, so cannot make any comments about that. Gints 2013/8/22 rjamya <rjamya@xxxxxxxxx> > Thanks Gints, > > I am talking 11203 on Linux and AIX, so I understand those are in > microseconds, but what I am interested in is, it is time in microseconds > _since when_ ? and are there any caveats on AIX7 ?. > > just curious that is all. > > Raj > > -- //www.freelists.org/webpage/oracle-l