Hi Harshal,
This code below works for me:
Select T1."ItmsGrpNam"||'-'|| $[OITM."ItemCode"]||'-'||$[OITM."FrgnName"] FROM DUMMY T0 INNER JOIN OITB T1 ON $[OITM."ItmsGrpCod"] = T1."ItmsGrpCod"
Here with your UDFs:
Select T1."ItmsGrpNam"||'-'|| $[OITM."U_Sub_Brand"]||'-'||$[OITM."U_Category"] FROM DUMMY T0 INNER JOIN OITB T1 ON $[OITM."ItmsGrpCod"] = T1."ItmsGrpCod"
Kind Regards,
Nick Lakasas