You can write the values with an 'N' prefix as described here: http://stackoverflow.com/questions/21726478/utf-8-character-gets-changed-in-insert-statement-on-ms-sql-server
The add the prefix the Db query type must be changed from 'write query' to 'any other query'.
![alt text][1]
![alt text][2]
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See the sample project for an implementation example: [utf8PagesMsSqlStore_51.iar][4]
[1]: http://answers.axonivy.com/upfiles/prefixValueWithN.PNG
[2]: http://answers.axonivy.com/upfiles/columnColation.PNG
[3]: http://answers.axonivy.com/upfiles/mandarinInMsSql.PNG
[4]: http://developer.axonivy.com/q-and-a-attachments/utf8PagesMsSqlStore_51.iar/upfiles/utf8PagesMsSqlStore_51.iar