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What is dimensional modelling?


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More Data Warehouse General Interview Questions

Explain what is full load & incremental or refresh load?

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What is ?Data Warehousing??

3 Answers   Accenture,


Explain what is a staging area? Do we need it? What is the purpose of a staging area?

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What is the difference between data warehouse and operational systems?

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Explain what is the difference between power center & power mart?

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What is drilling across?

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How much data hold in one universe.

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What is incremintal loading?

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Why is business intelligence (bi) important in data warehousing?

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what are different ways of loading data to data warehouse using oracle?

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How to performance tune reports?

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If I have table T1 and table T2 T1 has 250 cols and 10,000 rows T2 has 2 billion rows and 10 cols Which one would be Fact table and which one would be Dimension table and why ?

3 Answers   Extech, Principal Finance,


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