How can we do data cleaning?


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More Data Warehouse General Interview Questions

What are data modeling and data mining?

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How we are using this function?

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What is conformed dimension?

6 Answers   Polaris,


Explain what is the extension of file to save template?

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Explain if a flat file cotains 1000 records how can I get first and last records only?

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why oracle is the best database for data warehousing?

4 Answers   HCL,


Explain grouped cross tab?

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When should you use a STAR and when a SNOW-FLAKE schema?

6 Answers   Accenture,


Code the tables statement to produce a multi-level frequency?

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What is the data type of the surrogate key?

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How to allow a dynamic selection of a column for a measure in a chart,without using variable?

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What are the stages that are required in data warehousing?

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