Programmer Guide : Working with Unicode : Developing applications for Unicode : JDBC applications and Unicode databases
  
JDBC applications and Unicode databases
In JDBC environments, the solidDB® JDBC driver handles the conversion of data between the encoding used in the application (client) and the UTF-8/UTF-16 format in the Unicode database. You do not need to make any solidDB® specific settings to use Unicode with JDBC.
See also
Developing applications for Unicode