Database Processing for BIS The "curse of dimensionality" relates to which problem of using operational data for BI reporting? Dirty data Inconsistent data Non-integrated data Too much data Dirty data Inconsistent data Non-integrated data Too much data 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 Market basket analysis primarily uses the technique of conditional probabilities. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS RFM analysis uses customer's purchasing patterns to ________ . analyze and rank customers perform OLAP record transactions predict future sales using regression techniques analyze and rank customers perform OLAP record transactions predict future sales using regression techniques ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS In OLAP, we are interested in ________ . measures only measures and dimensions levels only dimensions only measures only measures and dimensions levels only dimensions only ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Data mining applications are used accomplish which of the following tasks? Process transactions only Do RFM analysis only Do both RFM and what-if analysis Do what-if analysis only Process transactions only Do RFM analysis only Do both RFM and what-if analysis Do what-if analysis only ANSWER DOWNLOAD EXAMIANS APP