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Explain what are the vaious etl tools in the market?


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More Data Warehouse General Interview Questions

in general which algorithms for used?

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suppose data are coming from different locations and those data will not change . is there any need to use surrogate key ?

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What is Active Datawarehousing?

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Fact table is in normalized or de-normalized form?

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What are the tools available for etl?

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Explain Association algorithm in Data mining?

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Explain about core dimension, balanced dimension, and dirty dimension?

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Explain what does level of granularity of a fact table signify?

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What are the advantages and disadvantages of reporting directly against the database?

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What is what are semi-additive and factless facts and in which scenario will you use such kinds of fact tables?

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Explain multivalued dependency?

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How are models actually derived?

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