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Welcome to the Query Optimization MCQs Page

Dive deep into the fascinating world of Query Optimization with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Query Optimization, a crucial aspect of MySQL Database. In this section, you will encounter a diverse range of MCQs that cover various aspects of Query Optimization, 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 MySQL Database.

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Check out the MCQs below to embark on an enriching journey through Query Optimization. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of MySQL Database.

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

Query Optimization MCQs | Page 4 of 9

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Q31.
Bulk loading is less efficient than single row loading.
Discuss
Answer: (b).False
Q32.
Loading is faster when a table has no indexes than when it is indexed.
Discuss
Answer: (a).True
Q33.
Which is more efficient?

LOAD DATA, INSERT
Discuss
Answer: (a).LOAD DATA
Q34.
Without LOCAL, LOAD DATA is _________________
Discuss
Answer: (a).more efficient
Q35.
Which option turns on the โ€“extended-insert?
Discuss
Answer: (a).โ€“opt
Q36.
Which table option for MyISAM tables reduces index flushing?
Discuss
Answer: (a).DELAY_KEY_WRITE
Q37.
Which option repairs MyISAM tables automatically after they open?
Discuss
Answer: (a).โ€“myisam-recover=FORCE
Q38.
The option which delays index flushing for slave server is _________________
Discuss
Answer: (b).โ€“delay-key-write=ALL
Q39.
TO enable the compressed client/server protocol the option is _________________
Discuss
Answer: (b).โ€“compress
Q40.
To reactivate indexes the command used is _________________
Discuss
Answer: (c).ENABLE KEYS
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