A data mart is a collection of data that, while smaller than a data warehouse, still addresses the entire business. False True TRUE ANSWER : ? 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. True False TRUE ANSWER : ? YOUR ANSWER : ?
A data warehouse is a database system that is optimized for operational transaction processing. False True TRUE ANSWER : ? YOUR ANSWER : ?
OnLine Analytical Processing (OLAP) is a BI reporting system. True False TRUE ANSWER : ? YOUR ANSWER : ?
One popular classification technique in Business Intelligence (BI) reporting is ________ . both cluster analysis and regression analysis regression analysis only RFM analysis only cluster analysis only TRUE ANSWER : ? 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 ________ . inconsistent data non-integrated data a "wrong format" problem dirty data TRUE ANSWER : ? YOUR ANSWER : ?
Business Intelligence (BI) systems do not obtain their data by which of the following means? Read and process data from an operational database Process extracts from operational databases Process data purchased from data vendors Process transactions TRUE ANSWER : ? YOUR ANSWER : ?
The term neural networks as used in data mining is a misnomer. True False TRUE ANSWER : ? YOUR ANSWER : ?