What are aggregate tables and aggregate fact tables?


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More Data Warehouse General Interview Questions

what is an use case?

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What is IQD file?

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waht is the advantage of infoset query

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What is surrogate key?

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How can we transform row to column?

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What is prompt types of prompts?use of prompts syntax of prompt?

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Explain the difference between dw and bi?

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How to reduce warnings?

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What is the difference between snowflake and star schema? What are situations where snowflake schema is better than star schema when the opposite is true?

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Is there any difference in testing database and data ware housing?

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