Why should you put your data warehouse on a different system than your oltp system?
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What is the data type of the surrogate key?
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explain about dirty dimension?
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State any 5 of Cods guidelines of an OLAP system, brief description each?
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Why should you put your data warehouse on a different system than your oltp system?
Explain how does tuple-oriented relational calculus differ from domain-oriented relational calculus?