Unicode Support The DB2 Wire Protocol driver supports Unicode data types if the database was created with a multi-byte character set. The DB2 Wire Protocol driver maps the DB2 data types to Unicode data types as shown in the following table: DB2 Data Type Mapped to. . . Dbclob 1 SQL_WLONGVARCHAR Graphic SQL_WCHAR Long Vargraphic SQL_WLONGVARCHAR Vargraphic SQL_WVARCHAR 1Supported on DB2 V8.x and higher for Linux/UNIX/Windows; DB2 for z/OS; and DB2 V5R3 and higher for DB2 for i. 1 Supported on DB2 V8.x and higher for Linux/UNIX/Windows; DB2 for z/OS; and DB2 V5R3 and higher for iSeries.