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

2 Answers  

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What is the difference between static cache and dynamic cache?

0 Answers  

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Explain what are slowly changing dimensions?

0 Answers  

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Explain me what are conformed dimensions?

0 Answers  

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What is drilling across?

0 Answers  

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How did you plan your Data ware house project?

0 Answers   TCS,

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Explain what are data marts?

0 Answers  

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5.Explain ODS ?

3 Answers   HCL,

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What is Bulk Insert?

3 Answers  

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How can you define a transformation? What are different types of transformations in Informatica?

7 Answers   TCS,

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difference between bo 6.5 and bo xi r2

3 Answers   Accenture, Polaris,

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Explain normalization?

0 Answers  

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