支持BI多对多关系

Question

我正在建立多对多关系。下面的详细信息，当我尝试通过ShippingCompanyId求和时，我得到相同的金额，该如何解决？我们有一个非常复杂的数据集市，并且有许多类似的场景。

我试图改变多对多关系，等等

样本值：

create table dbo.DimCustomer
(
    DimCustomerId int,
    PersonName varchar(255)
)
insert into dbo.DimCustomer
values 
('1','Joe'),
('2', 'Sally')



create table dbo.DimShippingCompany
(
    DimShippingCompanyid int,
    ShippingName varchar(255)
)
insert into dbo.DimShippingCompany
values 
('1','UPS'),
('2', 'Fedex')


create table dbo.FactShipment
(
    FactShipmentId int primary key,
    DimCustomerId int,
    DimShippingCompany int,
    ShipmentQuantity int,
    ShipmentTotal numeric(10,2)
)
insert into dbo.FactShipment
values 
(1,1,1,5,8),
(2,1,1,7,12),
(3,1,2,5,9),
(4,2,1,3,4),
(5,2,2,5,7)



create table dbo.FactOrder
(
    FactOrderId int primary key identity(1,1),
    DimCustomerId int,
    OrderAmount numeric(10,2)
)

insert into dbo.FactOrder
values 
(1,50),
(1,28),
(2,41)