Database Processing for BIS A data mart is a collection of data that, while smaller than a data warehouse, still addresses the entire business. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS A BI reporting system does not ________ . use disparate data sources create meaningful information use statistical procedures to predict future events deliver information to users on a timely basis use disparate data sources create meaningful information use statistical procedures to predict future events deliver information to users on a timely basis 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 ________ . 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 Has ordered recently, orders frequently, and places a large order when she orders. Hasn't ordered recently, orders infrequently, but 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 Has ordered recently, orders frequently, and places 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 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 ________ . confidence support lift the basic probability confidence support lift the basic probability ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS The data warehouse DBMS needs to be the same DBMS used for the operational database. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS The "curse of dimensionality" relates to which problem of using operational data for BI reporting? Too much data Non-integrated data Dirty data Inconsistent data Too much data Non-integrated data Dirty data Inconsistent data ANSWER DOWNLOAD EXAMIANS APP
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