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What are Non-additive facts?


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More Data Warehouse General Interview Questions

Explain what type of indexing mechanism do we need to use for a typical datawarehouse?

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What is a functional dependency f said to be minimal?

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what is the use of surrogate key in businessobjects

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what is parallelism?

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what are confirmed dimension? We alwys give date as a conformed dimension but if it has different format for different contries say YYMMDD for italy and MM-DD-YYYY for france.Then are they not confirmed.

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Explain dimensional modelling?

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Which is the optimized method of extracting the data.

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Code the tables statement for a single-level (most common) frequency?

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