And make sure you're not violating the license rules of Oracle. You are not allowed to look in v$active_session_history if you haven't bought various OEM Packs :-). Mogens K Gopalakrishnan wrote: > Harvinder: > > Most of the timing information from V$views are centi-seconds (1/100th > of a second) unless specified. I don't have 10g database handy. So I > may not be able to confirm this. Myself and Kirti were doing some > analysis during chapter-10 of our book. > > > As you have seen, it does not have a direct relationship with other > views. V$ASH will have the details about the ACTIVE waits (by active > here, I mean the session is waiting for I/O, on CPU, waiting for a > buffer or message from remote instance in case of RAC,waits during > PARSE/EXECUTE or FETCH and any other wait which are not classified as > IDLE wait). > > If you have our book handy, have a look at chapter-09 (Performance > Management with Oracle Database 10g). > ---------------------------------------------------------------- Please see the official ORACLE-L FAQ: http://www.orafaq.com ---------------------------------------------------------------- To unsubscribe send email to: oracle-l-request@xxxxxxxxxxxxx put 'unsubscribe' in the subject line. -- Archives are at //www.freelists.org/archives/oracle-l/ FAQ is at //www.freelists.org/help/fom-serve/cache/1.html -----------------------------------------------------------------