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Data Warehousing Interview Questions and answers [Part 2]

 

Question :: What is real time data-warehousing?

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Question :: What are conformed dimensions?

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Question :: What is conformed fact?

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Question :: How do you load the time dimension?

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Question :: What is a level of Granularity of a fact table?

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Question :: What are non-additive facts?

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Question :: What is factless facts table?

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Question :: What are slowly changing dimensions (SCD)?

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Question :: What is hybrid slowly changing dimension?

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Question :: What is BUS Schema?

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Question :: What is a Star Schema?

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Question :: What Snow Flake Schema?

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Question :: Differences between star and snowflake schema?

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Question :: What is Difference between ER Modeling and Dimensional Modeling?

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Question :: What is degenerate dimension table?

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Question :: Why is Data Modeling Important?

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Question :: What is surrogate key?

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Question :: What is Data Mart?

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Question :: What is the difference between OLAP and data warehouse?

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Question :: What is a Cube and Linked Cube with reference to data warehouse?

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