Database Processing for BIS In OLAP, we are interested in ________ . dimensions only levels only measures only measures and dimensions dimensions only levels only measures only measures and dimensions ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Which of the following is not a reason that operational data are difficult to read? Dirty data Non-duplicated data Non-integrated data Missing values Dirty data Non-duplicated data Non-integrated data Missing values ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS We have Market Basket data for 1,000 rental transactions at a Video Store. There are four videos for rent -- Video A, Video B, Video C and Video D. The probability that Video D will be rented given that Video C has been rented is known as ________ . the basic probability lift support confidence the basic probability lift support confidence ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS One popular classification technique in Business Intelligence (BI) reporting is ________ . both cluster analysis and regression analysis RFM analysis only cluster analysis only regression analysis only both cluster analysis and regression analysis RFM analysis only cluster analysis only regression analysis only ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS We have done an RFM analysis on our customer data. Mary Jones has a score of "1 1 5". This series means that Mary ________ . Has ordered recently, orders frequently, and places a large order when she orders. Hasn't ordered recently, orders infrequently, and doesn't place a large order when she orders. Has ordered recently, orders frequently, but doesn't place a large order when she orders Hasn't ordered recently, orders infrequently, but places a large order when she orders. Has ordered recently, orders frequently, and places a large order when she orders. Hasn't ordered recently, orders infrequently, and doesn't place a large order when she orders. Has ordered recently, orders frequently, but doesn't place a large order when she orders Hasn't ordered recently, orders infrequently, but places a large order when she orders. ANSWER DOWNLOAD EXAMIANS APP
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