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Two many to many dimension => How to calculate correct facts????

Posted By:      Posted Date: September 01, 2010    Points: 0   Category :Sql Server
Hey guys,   I got a problem and I hope someone could help me with it.  I have the following scenario which I need to solve. The Schema looks something lilke that...   DIM3 DIM3_Key Dim3_Att   FactlessFact_DIM3_DIM4 DIM3_Key DIM4_Key WeightingFactor   DIM4 DIM4_Key Dim4_Att     FACT DIM1_Key DIM3_Key Sales_Fact   DIM1 DIM1_Key Dim1_Att   FactlessFact_DIM1_DIM2 DIM1_Key DIM2_Key WeightingFactor     DIM2 DIM2_Key Dim2_Att   As you can see my Facttable is connected to two dimension which are actually many to many. Also there is a 'WeightingFactor' in every FactlessFact table (BRIDGE), so that i am able to correct (as defined by the factors) values when ever I query DIM2_Att or DIM4_ATT.   So the Problem I have is that I every Fact shoud be MULTIPLIED with the WEIGHTING FACTOR. Well in MSAS 2008 I can do that with an Measured expression but since a measure needs to be unique I cannot just use 'WeightingFactor'. So When I renamed it to WeightingFactor34 and WeightingFactor12. But this only gives me the correct values for the defined Path. In case I use  WeightingFactor12 i only get the correct values for DIM2_ATT but not for DIM4_ATT.   I guess I need to solve this with a calculated Measure???? Am I right? I am new to MSAS and also new with MDX and all this stuff... How can use a calculated meas

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