Hi > Not sure but I think it is very tedious to get those figures.... I > always wondered how benchmark tools gives you informations such as > transaction per minute, I think those tools dont use v$sysstat for > these purposes The reason is quite simple. DML statements or queries are *not* transactions! For that reason Anjo asked the OP to give *his* definition of "USER transaction"... For a regular definition have a look here: http://en.wikipedia.org/wiki/Database_transaction. Regards, Chris -- //www.freelists.org/webpage/oracle-l