data warehousing and business intelligence, Database Management System

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I need help with data warehousing and business intelligence course project about designing a data warehouse for a jewelry company that does not have one

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Lost Updates : Suppose the two transactions T3 and T4 run simultaneously and they happen to be interleaved in the following way (suppose the initial value of X as 10000):

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What is de-normalization, What is De-normalization? De-normalization is...

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