Jonathan's latest book (which Wolfgang and Christian tech reviewed) is the appropriate book for this subject area. Niall On 2/7/06, Juan Carlos Reyes Pacheco <juancarlosreyesp@xxxxxxxxx> wrote: > > Wolfgang is right, I read that from Tom Kyte, > You can use system statistics or the parameters I think that was on > his book about design. > > The point is I'm not going to start to experiment on customers > database, and this is not a 30 minutes test to do in my free time. > So I can't apply statistics without experiment on customer test > database previously, and I can't expriment on test customer database > preveiously, without my boss permission. So when the time will come > I'll see. :) > -- > //www.freelists.org/webpage/oracle-l > > > -- Niall Litchfield Oracle DBA http://www.orawin.info