Question: PLEASE ANSWER CORRECTLY FOR A THUMBS UP (2 points) [OLAP Operations] Assume we have a data cube consists of three dimensions: Item, Time and Location.

 PLEASE ANSWER CORRECTLY FOR A THUMBS UP (2 points) [OLAP Operations]

Assume we have a data cube consists of three dimensions: Item, TimePLEASE ANSWER CORRECTLY FOR A THUMBS UP

(2 points) [OLAP Operations] Assume we have a data cube consists of three dimensions: Item, Time and Location. The values (i.e., facts) show the revenue in thousand dollars. Assume 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 Mobil and Modem in Canada in Q1. b) [1 point] Total revenue earned by each Item in each Quarter

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