Solution : https://service.sap.com/sap/support/notes/1113270 (SAP Service marketplace login required)
Key words :
oracle national character set utf8, symptom work processes trigger, oracle national character set, oracle character set ensure, oracle character set, db version overflow, oracle instant client, oracle 10g database, shutdown server [thxxhead, note 819830 strongly discourages
Related Notes :
| 830578 | Oracle database 10g: Unix environment variable |
| 819830 | Oracle Database 10g: Additional Information on upgrade:UNIX |
| 819829 | Oracle Instant Client Installation and Configuration on Unix |
| 669902 | Setting the national character set to UTF8 |
| 102402 | Changing the database character set |