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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 3 of 7

Q21.
Fact constellation is a good alternative to the
Discuss
Answer: (c).Star Schema
Q22.
Which operation mainly used to access the live data online and analyse it
Discuss
Answer: (b).OLAP
Q23.
In data mining, the slice operation performs a selection on _______
Discuss
Answer: (a).One dimension
Q24.
In data mining, the dice operation performs a selection on
Discuss
Answer: (c).Two or more dimension
Q25.
In star schema there is _________ relationship between fact table and dimension table
Discuss
Answer: (b).1:N
Q26.
Fact constellation is also known as
Discuss
Answer: (d).Galaxy Schema
Q27.
__________ is the bridge between data warehouse and decision support application.
Discuss
Answer: (d).Metadata
Q28.
Which one referes to the finding of relevant and useful information from databases
Discuss
Answer: (a).Data mining
Q29.
Preprocessing step is used in Data _______
Discuss
Answer: (a).cleaning
Q30.
True or False : "Selection and interpretation is a data mining functionality"
Discuss
Answer: (b).False
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