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What is the differences between star and snowflake schemas?


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More Data Warehouse General Interview Questions

Explain when do we analyze the tables? How do we do it?

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Explain meta data?

0 Answers  


What are aggregate fact tables ? why they are needed? give an example

2 Answers  


What is junk dimension? What is the difference between junk dimension and degenerated dimension?

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Explain the definition of normalized and denormalized view and what are the differences between them?

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How can you implement many relations in star schema model?

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What are the stages that are required in data warehousing?

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What is the difference between power center and power mart?

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what role views play in dimensional modeling?

1 Answers   TCS, Zensar,


What is a source qualifier?

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What are the different methods of loading dimension tables?

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Explain the difference between data ware house & data mart?

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