Solution : https://service.sap.com/sap/support/notes/708762 (SAP Service marketplace login required)
Key words :
character-type data types changed, sap service marketplace, current patch kernel, type conversion reason, longer filled correctly, type number, longer filled, patch level 740, upgrade oracle8, numeric values
Related Notes :
| 658322 | Composite SAP Note: Incorrect resulting set with Oracle |