DATABASE PROCESSING FOR BIS QUIZ

The delivery function of a report management system allows reports to be delivered via e-mail, via the Web, via XML Web services, via hand delivery and other delivery means.

True

False

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Which of the following are not done by Business Intelligence (BI) systems?

Process and record transactions only

Neither of the above is correct.

Both of the above are correct.

Analyze past and current activities only

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A BI reporting system does not ________ .

create meaningful information

use statistical procedures to predict future events

use disparate data sources

deliver information to users on a timely basis

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Which of the following is an unsupervised data mining technique?

Regression Analysis only

Cluster analysis only

Both Regression Analysis and RFM Analysis

RFM Analysis only

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

Read and process data from an operational database

Process data purchased from data vendors

Process transactions

Process extracts from operational databases

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The reports generated by a reporting system are usually not delivered in which of the following media?

E-Mail

Commercial courier service

Digital dashboard

Web portal

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OLAP uses measures, dimensions and associations.

True

False

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Market basket analysis primarily uses the technique of conditional probabilities.

False

True

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The data warehouse DBMS needs to be the same DBMS used for the operational database.

False

True

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We have Market Basket data for 1,000 rental transactions at a Video Store. There are for videos for rent -- Video A, Video B, Video C and Video D. The probability that both Video C and Video D are rented at the same time is known as ________ .

lift

the basic probability

confidence

support

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YOUR ANSWER : ?

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