0
這是我的查詢,需要在SQL查詢
select a.nvrEquipment as [Equiment Name],a.Availability,b.Breakdown,c.Idle from
(select nvrEquipment,sum(fltQuantity) as [Availability] from tblEquipment
where intstatus in(1,2,3) group by nvrEquipment) a left join
(select nvrEquipment,sum(fltQuantity) as [Breakdown] from tblEquipment
where intstatus = 2 group by nvrEquipment) b on a.nvrEquipment=b.nvrEquipment left join
(select nvrEquipment,sum(fltQuantity) as [Idle] from tblEquipment
where intstatus = 3 group by nvrEquipment) c on a.nvrEquipment=c.nvrEquipment
我需要的另一列利用的%:
公式爲:
Utilization in % = (Breakdown + Idle)/Avalilability * 100
Equiment Name Availability Breakdown Idle Utilization
Crane 3 1 1
數據類型的可用性,細目,空閒是整數? – 2012-02-20 08:04:42