What is the differences between star and snowflake schemas?
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Explain when do we analyze the tables? How do we do it?
Explain meta data?
What are aggregate fact tables ? why they are needed? give an example
What is junk dimension? What is the difference between junk dimension and degenerated dimension?
Explain the definition of normalized and denormalized view and what are the differences between them?
How can you implement many relations in star schema model?
What are the stages that are required in data warehousing?
What is the difference between power center and power mart?
what role views play in dimensional modeling?
What is a source qualifier?
What are the different methods of loading dimension tables?
Explain the difference between data ware house & data mart?