Most operational databases can be used for many BI applications. True False TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is not a component of a data warehouse? Data metadata None of these Data warehouse data Data extraction/cleaning/preparation programs TRUE ANSWER : ? 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 ________ . confidence the basic probability support lift TRUE ANSWER : ? YOUR ANSWER : ?
In OLAP, we are interested in ________ . measures and dimensions dimensions only levels only measures only TRUE ANSWER : ? YOUR ANSWER : ?
In unsupervised data mining, explanations are created after patterns are found. True False TRUE ANSWER : ? YOUR ANSWER : ?
Business Intelligence (BI) systems fall into two broad categories: reporting and data warehousing. False True TRUE ANSWER : ? YOUR ANSWER : ?
The term neural networks as used in data mining is a misnomer. False True TRUE ANSWER : ? YOUR ANSWER : ?