Explain difference between data ware house & data mart?
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What is Star Schema?
Is it possible to have more than one row on the same table with the same foreign key?
What are different stages of ?Data mining??
Explain what is cost benefit analysis (cba)?
What are snapshots? What are materialized views & where do we use them?
What is the working process for application.cfm?
What is aggregate fact table?
What is difference between a connected look up and unconnected look up?
What are the data marts?
What is surrogate key? Explain with examples.
What are the possible data marts in retail sales?
Why is dimensional normalization not required?