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Welcome to the Data Storage and Querying MCQs Page

Dive deep into the fascinating world of Data Storage and Querying with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Data Storage and Querying, a crucial aspect of DBMS. In this section, you will encounter a diverse range of MCQs that cover various aspects of Data Storage and Querying, 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 Storage and Querying. 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 Storage and Querying. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Data Storage and Querying MCQs | Page 11 of 21

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Q101.
Which of the following operations are associative
Discuss
Answer: (c).Both the mentioned
Q102.
Which of the following set operations is not commutative?
Discuss
Answer: (c).Set difference
Q103.
State true or false: The projection operation does not distribute over the union operation
Discuss
Answer: (b).False
Q104.
If no rule can be derived from any combination of others then the set of rules is said to be ________
Discuss
Answer: (c).Minimal
Discuss
Answer: (d).All of the mentioned
Q106.
Which of the following operations is associative
Discuss
Answer: (d).Theta join
Q107.
Which of the following set operations does the selection operation distribute over?
Discuss
Answer: (d).All of the mentioned
Q108.
State true or false: Multiple equivalence rules can be used one after the other on a query
Discuss
Answer: (a).True
Q109.
Which of the following information does the database system catalog store?
Discuss
Answer: (d).All of the mentioned
Q110.
Most databases store the distribution of values for each attribute as a __________
Discuss
Answer: (a).Histogram

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