What is data cleaning? How can we do that?


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More Data Warehouse General Interview Questions

How to import vsam files from source to target. Do we need a special plugin?

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What is the difference between power center & power mart?

0 Answers  


What is a data profile?

0 Answers  


What is the difference between Oracle Express and Oracle Discoverer?

1 Answers  


What is the difference between an ODS and a W/H?

1 Answers   Barclays,






What is the function of etl when used in data warehousing?

0 Answers  


what are different types of partitioning in oracle ?

3 Answers  


Tell me one example for multi valued dimension or bridge table?

2 Answers   Accenture, CMC, IBM, Logica CMG, TCS,


Why is business intelligence (bi) important in data warehousing?

0 Answers  


Explain what is fact less fact table? Where you have used it in your project?

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List any five applications of data warehouse.

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How to know the time taken for particular report execution?

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