What should I have in mind when building olap solution from scratch?
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What is the difference between a data warehouse and a data mart?
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What is data analytics in simple terms?
What are modeling tools available in the market?
Explain what are the tasks that loadmanger process will do?
Advantages of de normalized data?
What is the difference between metadata and data dictionary?
Database in use is oracle?
What are situations where snow flake schema is better than star schema to use and when the opposite is true?
What is conformed dimension?
What is dimension modeling?
What is difference between a connected look up and unconnected look up?
Explain why dimenstion tables are denormalized in nature?