ocr: anedimenssont ine ey Customer key Customerkey, Productkey menkey Himpomension: sustomers attnbures: sopucotey Mese-xataunequrtime aimonsions causes propioins me O ame 45015008 donotuise thisderign Modurtattr-butes, 39et myApelki996.column: page: abper sowychanging oimensions figure 3. How not to model slowly changing dimensions, Itis meaningless to attempt to constrain all three of these time dimensions.