Explain difference between data ware house & data mart?


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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 meetthe condition.

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What is the differences between star and snowflake schemas?

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What is multi-dimensional analysis?

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What is the difference between agglomerative and divisive hierarchical clustering?

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Explain 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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Can a dimension table contain numeric values?

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How to eliminate duplicate rows from flat file?

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Hi, If any hav Informatica n DWH FAQ's,Plz do fwd to s.rajanikanth1980@gmail.com Thnx Vani

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What are the different types of segments?

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Which technology should be used for interactive data querying across multiple dimensions for a decision making for a dw?

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Explain dimensional modelling?

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What is a Data Cube?

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