Solution : https://service.sap.com/sap/support/notes/1525673 (SAP Service marketplace login required)
Key words :
dbms_stats producing incorrect column distinct values statistics 12794025, extra buffer sort row source allocated, left outer join leads ora-7445[kkqvformpseudojoinpred, multi-byte object name12763649, recommended database parameter settings, additional cost-based optimizer, optimizer merge label request, released sap bundle patch, histograms incorrect calculated 9841679, low distinct keys
Related Notes :
| 1431752 | Oracle 10.2.0: Patches/Patch Collections for 10.2.0.5 |
| 830576 | Parameter recommendations for Oracle 10g |