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 : ?
In OLAP, we are interested in ________ . measures and dimensions measures only levels only dimensions only TRUE ANSWER : ? YOUR ANSWER : ?
Market basket analysis primarily uses the technique of conditional probabilities. True False 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 : ?
Business Intelligence (BI) systems fall into two broad categories: reporting and data warehousing. True False TRUE ANSWER : ? YOUR ANSWER : ?
The data warehouse DBMS needs to be the same DBMS used for the operational database. False True TRUE ANSWER : ? YOUR ANSWER : ?
Business Intelligence (BI) systems do not obtain their data by which of the following means? Process transactions Process extracts from operational databases Process data purchased from data vendors Read and process data from an operational database TRUE ANSWER : ? YOUR ANSWER : ?
RFM analysis uses customer's purchasing patterns to ________ . perform OLAP record transactions analyze and rank customers predict future sales using regression techniques TRUE ANSWER : ? YOUR ANSWER : ?
The "F" in RFM analysis stands for ________ . freshness frequently fast food fantasy TRUE ANSWER : ? YOUR ANSWER : ?