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Welcome to the Data Warehousing and Data Mining MCQs Page

Dive deep into the fascinating world of Data Warehousing and Data Mining with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Data Warehousing and Data Mining, a crucial aspect of DBMS. In this section, you will encounter a diverse range of MCQs that cover various aspects of Data Warehousing and Data Mining, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within DBMS.

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Check out the MCQs below to embark on an enriching journey through Data Warehousing and Data Mining. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of DBMS.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Data Warehousing and Data Mining. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Data Warehousing and Data Mining MCQs | Page 1 of 7

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Q1.
A BI reporting system does not ________ .

a.

create meaningful information

b.

deliver information to users on a timely basis

c.

use statistical procedures to predict future events

d.

use disparate data sources

Discuss
Answer: (c).use statistical procedures to predict future events
Q2.
Which of the following are not done by Business Intelligence (BI) systems?

a.

Analyze past and current activities only

b.

Process and record transactions only

c.

Both of the above are correct.

d.

Neither of the above is correct.

Discuss
Answer: (b).Process and record transactions only
Q3.
Business Intelligence (BI) systems do not obtain their data by which of the following means?

a.

Read and process data from an operational database

b.

Process transactions

c.

Process extracts from operational databases

d.

Process data purchased from data vendors

Discuss
Answer: (b).Process transactions
Q4.
The "curse of dimensionality" relates to which problem of using operational data for BI reporting?

a.

Dirty data

b.

Inconsistent data

c.

Too much data

d.

Non-integrated data

Discuss
Answer: (c).Too much data
Q5.
A report generated by a reporting system is delivered to the appropriate users via a user-accessed Web site. This system uses which of the following report modes?

a.

Push

b.

Pull

c.

RFM

d.

OLAP

Discuss
Answer: (b).Pull
Q6.
RFM analysis uses customers' purchasing patterns to ________ .

a.

record transactions

b.

analyze and rank customers

c.

predict future sales using regression techniques

d.

perform OLAP

Discuss
Answer: (b).analyze and rank customers
Q7.
The "F" in RFM analysis stands for ________ .

a.

frequently

b.

freshness

c.

fast food

d.

fantasy

Discuss
Answer: (a).frequently
Q8.
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 ________ .

a.

the basic probability

b.

support

c.

lift

d.

confidence

Discuss
Answer: (b).support
Q9.
Business Intelligence (BI) reporting systems cannot do which of the following operations?

a.

Filter data

b.

Group data

c.

Modify data

d.

Both filter and group data

Discuss
Answer: (c).Modify data
Q10.
Which of the following is not a component of a data warehouse?

a.

Data extraction/cleaning/preparation programs

b.

Data warehouse data

c.

Data metadata

d.

None of the above are data warehouse components.

Discuss
Answer: (c).Data metadata
Page 1 of 7

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