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Degenerate Dimension

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Kimball Forum :: Topics :: Dimensional Modeling and Data Architecture

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Post  breadbox008 Wed Jul 10, 2013 6:58 pm

Does a degenerate dimension have to be numbers? Can it be text like categories that come in on the fact?

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Post  ngalemmo Wed Jul 10, 2013 9:14 pm

Yes. A degenerate dimension is anything that doesn't fit as a dimension itself. However, they should be used sparingly.
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Post  sachij3u Thu Jul 18, 2013 12:20 pm

Yes i agree, Although we have used it quite often (given the business requirement) to track last_transaction_datetime (coming from source system along with userids)
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