Solution : https://service.sap.com/sap/support/notes/793550 (SAP Service marketplace login required)
Key words : 
documentation ->  database upgrades -> maxdbthe valid maxdb dvd material numbers, registration file '/usr/spool/sql/ini/sap_dbtech, alter user <user schema> defaulcode unicodeafterwards, exclusive  sql_execute commit work  sql_releasealternatively, <superdba password>  sql_execute alter user superdba, database client software version greater than7, earlywatch/goinglive servicetool addon st-, system saves current file size information, server utilities  [/sapdb/programs]  stderr, maxdb instance update exited abnormallysolution
Related Notes : 
       
| 1399009 | Content Server 6.40 on Windows Server 2008 and Win2008 R2 | 
| 1144394 | Start of application server failed -888 could not load ... | 
| 1020175 | FAQ: MaxDB installation, upgrade or applying a patch | 
| 1001257 | SQL error -1105 Too complicated SQL statement | 
| 972785 | Information: Change to MaxDB version numbering | 
| 960331 | MaxDB 7.6 does not start after upgrade from 7.5 | 
| 878742 | Access problems with database registration on UNIX | 
| 836947 | Error in the database catalog for UNICODE systems | 
| 814704 | MaxDB Version 7.6 parameter settings for OLTP/BW | 
| 806690 | Feature list for SAP MaxDB/liveCache 7.6 | 
| 763222 | Catalog migration to UNICODE fails | 
| 748582 | DBAnalyzer crashes during disconnection | 
| 735598 | Importing MaxDB software as of 7.5.00 | 
| 550585 | SAP relevant patches for Solaris 9 on SPARC | 
| 382312 | CCMS for SAP systems with SAP MaxDB >= 7.2 (7.2,..., 7.9) |