If you have been using dbms_stats with default parameters on 9i, be aware those same parameters have very different defaults as you move to 10g or 11g. In particular be aware of estimate_percent and method_opt. On Fri, Sep 21, 2012 at 4:56 AM, Hemant K Chitale <hemantkchitale@xxxxxxxxx>wrote: > By a job that is scheduled in DBA_SCHEDULER_JOBS in 10g and > DBA_AUTOTASK_TASKS in 11g > Hemant KChitale > > On Fri, Sep 21, 2012 at 11:35 AM, Mandal, Ashoke < > ashoke.k.mandal@xxxxxxxxxxxxx> wrote: > > > > > Could anyone describe how the statistics is generated in Oracle 10g > > database automatically? > > > > Thanks, > > Ashoke Mandal. > > > > > > > Hemant K Chitale > http://hemantoracledba.blogspot.com > > > -- > //www.freelists.org/webpage/oracle-l > > > -- Cheers -- Carlos Sierra http://carlos-sierra.net/ -- //www.freelists.org/webpage/oracle-l