Database Processing for BIS Which of the following is not a reason that operational data are difficult to read? Non-integrated data Non-duplicated data Dirty data Missing values Non-integrated data Non-duplicated data Dirty data Missing values ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS RFM analysis uses customer's purchasing patterns to ________ . predict future sales using regression techniques analyze and rank customers perform OLAP record transactions predict future sales using regression techniques analyze and rank customers perform OLAP record transactions ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Business Intelligence (BI) reporting systems are used to make sophisticated mathematical and statistical calculations in order to prepare reports based on the data. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Which of the following is not a component of a data warehouse? None of these Data metadata Data warehouse data Data extraction/cleaning/preparation programs None of these Data metadata Data warehouse data Data extraction/cleaning/preparation programs ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Data warehouse data are usually normalized. False True False True ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Which of the following are not done by Business Intelligence (BI) systems? Process and record transactions only Analyze past and current activities only Both of the above are correct. Neither of the above is correct. Process and record transactions only Analyze past and current activities only Both of the above are correct. Neither of the above is correct. ANSWER DOWNLOAD EXAMIANS APP
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