Explain what are non-additive facts in detail?
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What are the advantages of raid 1, 1/0, and 5. What type of raid setup would you put your tx logs?
Explain grouped cross tab?
Explain what is data validation strategies for data mart validation after loading process?
What is junk dimension? What is the difference between junk dimension and degenerated dimension?
What is metadata in context of a datawarehouse?
What are the steps of implementing data warehousing?
Explain why dimenstion tables are denormalized in nature?
Explain if a flat file cotains 1000 records how can I get first and last records only?
Where can one get more info about Data Warehousing?
what is a hot file, why we need in datawarehousing, where we used in general
How to pivot row data using informatica?
Explain what is the difference between power center & power mart?