onkarnath, to revert your change use : SQL> alter system set fixed_date=none; HTH Selon Onkar N Tiwary <onkarnath.tiwary@xxxxxxxxx>: > hi all, > I had got one mail from the group wherein following command was given: > alter session set nls_date_format='dd.mon.yyyy hh24:mi'; > alter system set fixed_date='<anydate>'; > this was used to change the server date and time without affecting the > original date n time on the server but when I tried the command on the > server(test obviously not the production one) then the date n time was > changed and then it wasnt changing to its original value. So I had to > re-start the oracle database. Why so?? any idea??? Is there any method using > which we can revert it to the original value??? > Plz. suggest -- //www.freelists.org/webpage/oracle-l