Can any one document  the cognos 10.2.2 with Oracle 11 Express Edition Datasource connectivity as a  source GOSALESDW
GOSALESDWPW  ?(userid/PWD).Which  includes Oracle Drivers either  32 Bit /64 Bit client components   supports 
and How to create the data source in cognos in CQM mode Becase im getting  error and i could not able to make up the DB connection