Welcome to the Managing Data using SQL MCQs Page

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

Check out the MCQs below to embark on an enriching journey through Managing Data using SQL. 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 Managing Data using SQL. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Managing Data using SQL MCQs | Page 14 of 20

Explore more Topics under MySQL Database

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MySQL Basics

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Query Optimization

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Database Maintenance and Backup

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System and User Variables

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MySQL Clauses

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Miscellaneous Topics in MySQL

Q131.

Which key declares that an index in one table is related to that in another?

primary

secondary

foreign

cross

Discuss

Answer: (c).foreign

Q132.

Foreign keys cannot handle deletes and updates.

True

False

May be True or False

Can't say

Discuss

Answer: (b).False

Q133.

Deletion of an employee from table also deletes that employee from another table. This kind of delete is called ____________

transparent

concrete

elaborate

cascaded

Discuss

Answer: (d).cascaded

Q134.

Which storage engine in MySQL provides foreign key support?

TRANSACTION

InnoDB

MyISAM

MEMORY

Discuss

Answer: (b).InnoDB

Q135.

The property of InnoDB that enforces foreign key relationships stay intact is called _____________

atomicity

durability

consistency

referential integrity

Discuss

Answer: (d).referential integrity

Q136.

Which clause names the parent table and the index columns in the table?

REFERENCES

ON DELETE

CONSTRAINT

FOREIGN KEY

Discuss

Answer: (a).REFERENCES

Q137.

If the storage engine InnoDB is not used, foreign key cannot be used.

True

False

May be True or False

Can't say

Discuss

Answer: (a).True

Q138.

Which clause is used to remove a foreign key constraint?

REMOVE

DELETE

DROP

EXCLUDE

Discuss

Answer: (c).DROP

Q139.

Which keyword is used to specify the foreign key after the table is created?

SETUP

SET

ALTER TABLE

SPECIFY

Discuss

Answer: (c).ALTER TABLE

Q140.

Which clause in the SQL standard controls how NULL values in a composite foreign key are handled when comparing to a primary key.

SET

MATCH

ON DELETE

ON CASCADE

Discuss

Answer: (b).MATCH

Page 14 of 20

Welcome to the Managing Data using SQL MCQs Page

Managing Data using SQL MCQs | Page 14 of 20

Explore more Topics under MySQL Database

MySQL Basics

MySQL Data Types and Operators

Stored Programs

Query Optimization

MySQL Programming

MySQL Administration

Access Control and Security

Database Maintenance and Backup

System and User Variables

MySQL Clauses

Miscellaneous Topics in MySQL

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