Explain difference between data ware house & data mart?


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More Data Warehouse General Interview Questions

What is Star Schema?

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Is it possible to have more than one row on the same table with the same foreign key?

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What are different stages of ?Data mining??

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Explain what is cost benefit analysis (cba)?

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What are snapshots? What are materialized views & where do we use them?

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What is the working process for application.cfm?

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What is aggregate fact table?

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What is difference between a connected look up and unconnected look up?

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What are the data marts?

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What is surrogate key? Explain with examples.

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What are the possible data marts in retail sales?

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Why is dimensional normalization not required?

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