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 Which of the following is an unsupervised data mining technique? Regression Analysis only 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 ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Business Intelligence (BI) systems do not obtain data from operational databases. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS Data Mining uses simple arithmetic techniques such as sums, averages, and groupings to perform what-if analyses, to make predictions, and to facilitate decision making. False True False True 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. 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? Non-integrated data Dirty data Inconsistent data Too much data Non-integrated data Dirty data Inconsistent data Too much data ANSWER DOWNLOAD EXAMIANS APP
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