Solution : https://service.sap.com/sap/support/notes/1232043 (SAP Service marketplace login required)
Key words :
view_definition---------------------------select / + rule / fe, current optimizer merge patch 7522608, sap service marketplace, optimizer merger patch 8, view_name='gv$datafile', select view_definition, cbo merge 7, gv$datafile, patch conflict, individual patch 5251842
Related Notes :
| 1165319 | Optimizer merge fix for Oracle 10.2.0.4 |
| 1137346 | Oracle 10.2.0: Patches/patch collections for Oracle 10.2.0.4 |