What is critical column?


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More Data Warehouse General Interview Questions

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.

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What is the difference between metadata and data dictionary?

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Suggest a good author for hyperion in data warehousing?

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what type of raid setup would you put your tx logs?

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What needs to be done when the database is shutdown?

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What are the difference between snow flake and star schema?

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What is your spectra photometer working principles?

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Suppose you are filtering the rows using a filter transformation only the rows meet the condition pass to the target. Tell me where the rows will go that does not meetthe condition.

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Explain degenerate dimension table?

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What are the types of SCD?

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explain about balanced dimension,

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What are the advantages and disadvantages of reporting directly against the database?

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