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? Dirty data Non-integrated data Inconsistent data Too much data Dirty data Non-integrated data Inconsistent data Too much data ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Which of the following is not a reason that operational data are difficult to read? Non-duplicated data Dirty data Non-integrated data Missing values Non-duplicated data Dirty 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 support confidence lift the basic probability support confidence lift ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS In a common form of RFM analysis, customers are sorted in five groups and given a score of 1 to 5 depending on their group. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS The "F" in RFM analysis stands for ________ . fast food freshness frequently fantasy fast food freshness frequently fantasy ANSWER DOWNLOAD EXAMIANS APP
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