Originally posted by davey23uk
ok then post exact statements you are running from start to finish with no modifications

As I mentioned all along that timed_statistics = true and my bad to type in alter session instead of alfter system. Ok, below is what I did:

1. timed_statistics=true
2. exec statspack.snap(i_snap_level=>10,i_modify_parameter=>'true');
3. exec statspack.snap(i_snap_level=>10,i_modify_parameter=>'true');
4. run the spreport.sql, the begining =70 and ending=71, and the location is c:\temp\file_name.txt