Database Processing for BIS Which of the following is not a reason that operational data are difficult to read? Non-duplicated data Non-integrated data Dirty data Missing values Non-duplicated data Non-integrated data Dirty data Missing values ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS A data warehouse is a database system that is optimized for operational transaction processing. False True False True 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. Has ordered recently, orders frequently, but doesn't place a large order when she orders Hasn't ordered recently, orders infrequently, and 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. Has ordered recently, orders frequently, but doesn't place a large order when she orders Hasn't ordered recently, orders infrequently, and 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
Database Processing for BIS Data warehouse data are usually normalized. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Business Intelligence (BI) reporting systems cannot do which of the following operations? Modify data Filter data Group data Both filter and group data Modify data Filter data Group data Both filter and group data 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 ________ . support the basic probability lift confidence support the basic probability lift confidence ANSWER DOWNLOAD EXAMIANS APP
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