Solution : https://service.sap.com/sap/support/notes/140237 (SAP Service marketplace login required)
Key words : 
~ftp/general/3rdparty/oracle/aix/8, operating system platform aix, additional key words aix, descending sort sequence, incorrect result quantity, program error, solution apply, prerequisites, 4/bug779000
Related Notes : 
       
| 658322 | Composite SAP Note: Incorrect resulting set with Oracle |