Database Processing for BIS The "curse of dimensionality" relates to which problem of using operational data for BI reporting? Too much data Dirty data Inconsistent data Non-integrated data Too much data Dirty data Inconsistent data Non-integrated data ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS In unsupervised data mining, explanations are created after patterns are found. True False True False ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS We have been given access to the company's operational data, and have been asked to produce a report. We discover that some of the data we need are in an SQL server database while other needed data are in a separate Oracle database. This is an example of ________ . a "wrong format" problem non-integrated data inconsistent data dirty data a "wrong format" problem non-integrated data inconsistent data dirty data ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS In OLAP, we are interested in ________ . levels only measures and dimensions dimensions only measures only levels only measures and dimensions dimensions only measures only ANSWER DOWNLOAD EXAMIANS APP
Database Processing for BIS We have done an RFM analysis on our customer data. Mary Jones has a score of "1 1 5". This series means that Mary ________ . Has ordered recently, orders frequently, and places a large order when she orders. Hasn't ordered recently, orders infrequently, but places a large order when she orders. Has ordered recently, orders frequently, but doesn't place a large order when she orders Hasn't ordered recently, orders infrequently, and doesn't place a large order when she orders. Has ordered recently, orders frequently, and places a large order when she orders. Hasn't ordered recently, orders infrequently, but places a large order when she orders. Has ordered recently, orders frequently, but doesn't place a large order when she orders Hasn't ordered recently, orders infrequently, and doesn't place a large order when she orders. 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
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