Explain what is the data type of the surrogate key?


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More Data Warehouse General Interview Questions

What is fact less fact table? Where you have used it in your project?

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

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What is the definition of cube in datawarehousing?

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What are modeling tools available in the market?

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What are the different types of fact tables used in data warehousing?

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Can you state some of the innovations throughout history?

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What is the difference between view filter and report filter?

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Explain are data mart and dwh normalized or denormalized? Do both of them exist in

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Explain what are the methodologies of data warehousing?

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How many clustered indexes can u create for a table in dwh? In case of truncate and delete command what happens to table, which has unique id.

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What is the main difference between schema in rdbms and schemas in datawarehouse?

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What is index awareness in universe?

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