Forget the exam, I'm just gonna ask the wizard from the Emerald City for his advice on this one. I bet he knows a thing or two about managing slowly changing dimensions.
I'm leaning towards the 'Dimension Lookup/update' step. It just feels like the most logical choice for this task. Although, I do like a good 'Table output' step every now and then, just to keep things interesting.
Maryann
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