Explain the importance of data warehouse?


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More Data Warehouse General Interview Questions

What is source qualifier?

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Explain have you ever been in a real dilemma at work? What did you do to get out of it?

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what is parallel query?

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What is Star Schema?

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What is edw?

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What is the difference between datawarehouse and bi?

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Suppose you are filtering the rows using a filter transformation only the rows meet the condition pass to the target. Tell me where the rows will go that does not meetthe condition.

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What is difference between query studio and report studio?

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What is difference between Mapplet and reusable transformation?

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What is the extension of file to save template?

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

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What is data analysis?

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