Question: Please provide accurate answer with explanation for a and b. Will give a like. thanks (2 points) [OLAP Operations] Assume we have a data cube
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(2 points) [OLAP Operations] Assume we have a data cube consists of three dimensions: Product, Time and Location. The values (i.e., facts) show the revenue in thousand dollars. Assume that we have the following hierarchy: Which OLAP operations should be performed in order to answer the following questions: a) [1 point] Total revenue earned by selling PCs in Ontario in 2015. b) [1 point] Total revenue earned by each product in each country in 2014
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