In OLAP, we are interested in ________ . dimensions only measures and dimensions measures only levels only TRUE ANSWER : ? YOUR ANSWER : ?
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. TRUE ANSWER : ? YOUR ANSWER : ?
We have done an RFM analysis on our customer data. Mary Jones has a score of "1 1 5". This series means that Mary ________ . 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 Has ordered recently, orders frequently, and places a large order when she orders. Hasn't ordered recently, orders infrequently, and doesn't place a large order when she orders. TRUE ANSWER : ? YOUR ANSWER : ?
The "curse of dimensionality" relates to which problem of using operational data for BI reporting? Too much data Inconsistent data Dirty data Non-integrated data TRUE ANSWER : ? YOUR ANSWER : ?
Data mining applications are used accomplish which of the following tasks? Do both RFM and what-if analysis Do RFM analysis only Process transactions only Do what-if analysis only TRUE ANSWER : ? YOUR ANSWER : ?
In unsupervised data mining, explanations are created after patterns are found. True False TRUE ANSWER : ? YOUR ANSWER : ?
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. True False TRUE ANSWER : ? YOUR ANSWER : ?
BI reporting systems summarize the current status of business activities in order to predict future activities. True False TRUE ANSWER : ? YOUR ANSWER : ?
The reports generated by a reporting system are usually not delivered in which of the following media? E-Mail Web portal Commercial courier service Digital dashboard TRUE ANSWER : ? YOUR ANSWER : ?
Business Intelligence (BI) reporting analyses can be performed using ________ . OLAP only standard SQL only extensions to SQL only both standard SQL and extensions to SQL TRUE ANSWER : ? YOUR ANSWER : ?