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