What is the difference between Datawarehouse and OLAP?


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More Data Warehouse General Interview Questions

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 meet the condition 333 after we create a scd table, can we use that particular dimension as a dimension table for star schema?

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What is an IDQ file? What is the purpose of the IDQ file and what kindof information does it usualy hold? Can it be imported by informatica?

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Explain what is analytical or analytic mean?

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Explain how many ways you create ports?

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what is the use of surrogate key in businessobjects

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What are fundamental stages of data warehousing?

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What are the different problems that ?Data mining? can solve?

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Can we take backup when the database is opened?

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What is data validation strategies for data mart v?

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Briefly state different between data ware house & data mart?

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What is difference between model & package?

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Explain what is the difference between a primary and secondary actor in use case modeling?

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