Purpose of Hierarchies in a Dimension

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Purpose of Hierarchies in a Dimension

Post  BIDW on Mon Jun 08, 2015 3:20 am

Hi Guys,

What is the purpose of setting up hierarchies in a dimension. Is the primary reason to aggregate data, drill down/up, you start with country, drill down to state, then drill down to city and then you see the actual customer.

Are there any other reasons. Thank You!


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Re: Purpose of Hierarchies in a Dimension

Post  BoxesAndLines on Mon Jun 08, 2015 10:12 am

That's it. A side effect is easier querying which is also a stated goal of dimensional modeling.
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