Data WareHousing Interview Questions

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how can one transfer LOB and user defined data from oracle to warehouse using ETL informatica

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Briefly state different between data ware house & data mart?

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What is the difference between OLAP and OLTP?

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How to Pivot a table inside informatica?

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Why do we use Surrogate Key?

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What is the difference between primary & secondary storage device?

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What is Virtual Memory?

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What is pipelining?

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The _______ function retrieves the value of the size member of the LinkedList class.

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Can a linked list store data other than integers?

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What are Data Marts ?

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What are slowly changing dimensions ?

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What are modeling tools available in the Market ?

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What Snow Flake Schema ?

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Why are OLTP database designs not generally a good idea for a Data Warehouse ?

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