But what if the the dynamic sampling consumes more resources the the statements itself ? I have also seen such database. It is better to have correct statistics. Best Regards, Petr ________________________________________ Von: oracle-l-bounce@xxxxxxxxxxxxx [oracle-l-bounce@xxxxxxxxxxxxx]" im Auftrag von "William Robertson [william@xxxxxxxxxxxxxxxxxxxx] Gesendet: Donnerstag, 11. November 2010 08:02 Bis: ORACLE-L Betreff: Re: Dynamic sampling What have the number of lines in the plan and the predicates section got to do with dynamic sampling? Are you saying dynamic sampling is a bad thing? It seems like an excellent feature to me. William Robertson -------- Original Message -------- Subject: Dynamic sampling From: Hemant K Chitale <hemantkchitale@xxxxxxxxx> To: ORACLE-L <oracle-l@xxxxxxxxxxxxx> Date: 11/11/2010 03:43 > > AARGH! > > What you do when DBMS_XPLAN.DISPLAY_CURSOR shows a 190 line Plan with 205 > entries in the Predicates section and then adds "dynamic sampling used". > > Just venting my frustration. > > -- //www.freelists.org/webpage/oracle-l -- //www.freelists.org/webpage/oracle-l