Explain difference between e-r modeling and dimentional modeling?

0 Answers  

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"A dimension table is wide but the fact table is deep," explain the statement in your own words.

0 Answers  

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How to handle time period attribute for time dependent data?? a.)add time period as a part of pk b.)add time period simply and make it nullablec.)add time period simply and make it not null.

1 Answers   IBM,

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How can we run the graph?

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what is the difference between DSS and ODS ?

2 Answers   IBM, Satyam,

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Explain difference between data ware house & data mart?

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difference between bo 6.5 and bo xi r2

3 Answers   Accenture, Polaris,

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Explain a mapping, session, worklet, workflow, mapplet?

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Explain what are the advantages data mining over traditional approaches?

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How to answer the question how many fakt table in your datawarehouse and what size it have?

3 Answers   Cap Gemini,

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What is a view as it relates to system modeling?

0 Answers  

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Explain what are the vaious etl tools in the market?

0 Answers  

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