Solution : https://service.sap.com/sap/support/notes/656704 (SAP Service marketplace login required)
Key words : 
-equal                            index range scan k810001~002                            index range scan k810001~003                 5  inlist iterator                        index range scan k810002~0the, equal - index range scan, index rowid k810002             5  nested loops                5  table access, index rowid k810001                    5, table indexes k810001~002, oracle database patch set 9, table k810002, wrong results reason, 5  table access, data access
Related Notes : 
       
| 658322 | Composite SAP Note: Incorrect resulting set with Oracle | 
| 539921 | Current patch set for Oracle 9.2.0 |