DATABASE PROCESSING FOR BIS QUIZ

In unsupervised data mining, explanations are created after patterns are found.

False

True

TRUE ANSWER : ?
YOUR ANSWER : ?

The "F" in RFM analysis stands for ________ .

freshness

frequently

fast food

fantasy

TRUE ANSWER : ?
YOUR ANSWER : ?

A data warehouse is a database system that is optimized for operational transaction processing.

True

False

TRUE ANSWER : ?
YOUR ANSWER : ?

Business Intelligence (BI) systems do not obtain their data by which of the following means?

Process transactions

Read and process data from an operational database

Process extracts from operational databases

Process data purchased from data vendors

TRUE ANSWER : ?
YOUR ANSWER : ?

OLAP uses measures, dimensions and associations.

False

True

TRUE ANSWER : ?
YOUR ANSWER : ?

Business Intelligence (BI) reporting systems cannot do which of the following operations?

Both filter and group data

Filter data

Modify data

Group data

TRUE ANSWER : ?
YOUR ANSWER : ?

Formatting the report is part of authoring a report.

True

False

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 : ?

Which of the following is an unsupervised data mining technique?

Cluster analysis only

Regression Analysis only

RFM Analysis only

Both Regression Analysis and RFM Analysis

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 : ?

↑