Give some difference between oltp and olap.


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what is an use case?

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Hi, i want to do certification in datawarehouse?? which certification is best in current trend?? pls mention the cost also if u can....

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Explain clearly how to explain any (sales) project in interview. Actually feom where report developer work starts?pls reply as soon as possible?

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What is an OLAP (On-line Analytical processing) system?

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