I'm a beginner in SSAS and I had a question about something on the Define Relationship window which is accessed from the Dimension Usage tab page. When selecting Regular for "Relationship type", and then selecting the appropriate "Granularity attribute", I noticed that in the "Relationship" section, the "Dimension Columns" column sometimes lists dimension columns that are non key columns. This causes a problem as I'm forced to match these non key columns up with a Measure Group Column and I don't want that to happen. I encountered this issue before when working in the development version of my cube and I recall that I resolved it by deleting the dimension from the cube and then adding it again. That seem to result in only the key column displaying in the "Dimension Columns" list. I was just hoping there was some explanation for why it happens in the first place and whether it's something I may be doing wrong. Thanks for any help you can provide.
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