Solution : https://service.sap.com/sap/support/notes/1159564 (SAP Service marketplace login required)
Key words :
backend database table column length, multibyte character codes, multibyte character code, multibyte character conversation, worst case provided, character code overrun, control mode search, search result wrong, successful search result, proper search result
Related Notes :
| 1319517 | Unicode Collection Note |