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What is junk dimension? What is the difference between junk dimension and degenerated dimension?


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Can we start and stop single session in concurent bstch?

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What does level of granularity of a fact table signify?

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What is Factless fact table? In which purpose we are using this in our DWH projects?Plz give me the proper answer. Thanks, Ramesh

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Hi,Please can u tell me.. What is the difference between a Hyperion Essbase CUBE and a Star Schema? Thanks in advance, Vijay.

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What is the very basic difference between data warehouse and operational databases?

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What is called dimensional modelling?

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Describe a data warehouse.

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