Where we use surrogate key explain with example?
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What is a source qualifier?
Can you explain how analysis service works?
What are the various tools? Explain name a few?
What is difference between Mapplet and reusable transformation?
What is a staging area? Do we need it? What is the purpose of a staging area?
"A dimension table is wide but the fact table is deep," explain the statement in your own words.
How are the dimension tables designed?
Explain how does tuple-oriented relational calculus differ from domain-oriented relational calculus?
What is the metadata extension?
Explain why should you put your data warehouse on a different system than your oltp system?
Explain what are the advantages data mining over traditional approaches?
What is the difference between view materialized view and view?