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 warehouse data Data metadata Data extraction/cleaning/preparation programs None of these Data warehouse data Data metadata 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 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 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 Which of the following is an unsupervised data mining technique? Cluster analysis only RFM Analysis only Both Regression Analysis and RFM Analysis Regression Analysis only Cluster analysis only RFM Analysis only Both Regression Analysis and RFM Analysis Regression Analysis only ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Business Intelligence (BI) systems fall into two broad categories: reporting and data warehousing. False True False True ANSWER DOWNLOAD EXAMIANS APP
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