C11/System/LOCOSOFT/IQD/Serv_Teile/ben_AW_Order_Number.sql

select T1."order_number" as "Order Number",
	   SUM(T1."duration_minutes") as "Summe_Duration_Minutes"
from "dbo"."times" T1
where (T1."order_number" <> 0)
group by (T1."order_number")
-- order by "Order Number" asc