EXAMIANS
Which of the following is not a reason that operational data are difficult to read?
YOUR ANSWER : ?
YOUR ANSWER : ?
In OLAP, we are interested in ________ .
YOUR ANSWER : ?
Which of the following is an unsupervised data mining technique?
YOUR ANSWER : ?
We have Market Basket data for 1,000 rental transactions at a Video Store. There are four videos for rent -- Video A, Video B, Video C and Video D. The probability that Video D will be rented given that Video C has been rented is known as ________ .
YOUR ANSWER : ?
RFM analysis is a BI reporting system.
YOUR ANSWER : ?
One popular classification technique in Business Intelligence (BI) reporting is ________ .
YOUR ANSWER : ?
OnLine Analytical Processing (OLAP) is a BI reporting system.
YOUR ANSWER : ?
Business Intelligence (BI) reporting systems are used to make sophisticated mathematical and statistical calculations in order to prepare reports based on the data.
YOUR ANSWER : ?
BI reporting systems summarize the current status of business activities in order to predict future activities.
YOUR ANSWER : ?
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 ________ .
YOUR ANSWER : ?