How can we load the time dimension?


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What is Data purging?

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How are the dimension tables designed?

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What is the difference between dependent data warehouse and independent data warehouse?

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what are the others of "bad files" and "discard files" when using sql*loader?

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Why is dimensional normalization not required?

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What is what are semi-additive and factless facts and in which scenario will you use such kinds of fact tables?

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Hierarchy of DWH?

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The same tier?

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