Explain the importance of data warehouse?
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Explain difference between snow flake and star schema.
Explain what are components of report studio?
Why should you put your data warehouse on a different system than your oltp system?
Explain how many ways you create ports?
What is metadata in context of a datawarehouse and how it is important?
How can you define a transformation? What are different types of transformations in Informatica?
What are Data Marts?
Difference between ODS and Staging
What is normalization, first normal form, second normal form, third normal form?
What is the capacity of power cube?
What is pre-emptive and non-pre-emptive?
Explain is fact table?