Database Processing for BIS Which of the following is not a component of a data warehouse? Data extraction/cleaning/preparation programs None of these Data metadata Data warehouse data Data extraction/cleaning/preparation programs None of these Data metadata Data warehouse data ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS OLAP uses measures, dimensions and associations. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS We have Market Basket data for 1,000 rental transactions at a Video Store. There are for videos for rent -- Video A, Video B, Video C and Video D. The probability that both Video C and Video D are rented at the same time is known as ________ . support lift confidence the basic probability support lift confidence 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS RFM analysis uses customer's purchasing patterns to ________ . predict future sales using regression techniques record transactions analyze and rank customers perform OLAP predict future sales using regression techniques record transactions analyze and rank customers perform OLAP 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 lift confidence the basic probability support lift confidence the basic probability ANSWER DOWNLOAD EXAMIANS APP