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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 9 of 21

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Q81.
A sequence of primitive operations that can be used to evaluate a query are called as __________
Discuss
Answer: (b).Query evaluation plan
Q82.
The lowest level operator to access data in query processing is _______
Discuss
Answer: (a).File scan
Q83.
Search algorithms that use an index are referred to as _________
Discuss
Answer: (a).Index scans
Q84.
Sorting of relations that do not fit in memory is called as _______
Discuss
Answer: (b).External sorting
Q85.
A selection of the form satisfying the intersection of all records satisfying individual simple conditions is
Discuss
Answer: (a).Conjunctive selection
Q86.
A selection of the form satisfying the union of all records satisfying individual simple conditions is
Discuss
Answer: (b).Disjunctive selection
Q87.
A selection of the form giving all the records not satisfying simple individual conditions is ______
Discuss
Answer: (c).Negation
Discuss
Answer: (d).All of the mentioned
Q89.
If the results of one operation are passed on to the other, it is called as ________
Discuss
Answer: (b).Pipeline
Q90.
The result of each intermediate operation are created and then are used for valuation of the next level operations, this evaluation is called as ________
Discuss
Answer: (c).Materialized evaluation

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