i'm not RTFM-ing you, it is just they explain it better : http://download.oracle.com/docs/cd/B14117_01/server.101/b10752/optimops.htm#35891 http://download.ora

i'm not RTFM-ing you, it is just they explain it better : http://download.oracle.com/docs/cd/B14117_01/server.101/b10752/optimops.htm#35891 http://download.oracle.com/docs/cd/B14117_01/server.101/b107...