================================================= 19/06/2011
use tkprof

1. Login with oracle user
2. Sqlplus system/xxxx@SHEMA
3. alter system set sql_trace=true;
4. show parameter user_dump_dest;
5. Cd
6. tkprof xxxxx.trc /tmp/myAnalyse.out explain=user/pass@SHEMA sort=execpu
7. ne pas oublier : alter system set sql_trace=false;