次のCREATE FUNCTIONリクエストはRETURN文でCHAR2HEXINT関数を指定します。
CREATE FUNCTION test.myudf (a CHARACTER(100)) RETURNS CHARACTER(400) LANGUAGE SQL DETERMINISTIC CONTAINS SQL SPECIFIC test.myudf CALLED ON NULL INPUT SQL SECURITY DEFINER COLLATION INVOKER INLINE TYPE 1 RETURN CHAR2HEXINT(a);