What is scd1 , scd2 , scd3?


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More Data Warehouse General Interview Questions

How to improve session performance in aggregator transformation?

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Explain what is the advantages data mining over traditional approaches?

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What is called dimensional modelling?

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What is the difference between mapping parameter & mapping variable in data warehousing?

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What is a Decision Tree Algorithm?

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Explain when do we analyze the tables? How do we do it?

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How we are using this function?

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What is subject area?

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

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What are the various transformation available?

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What is difference between query studio and report studio?

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5.Explain ODS ?

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