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Welcome to the SQL MCQs Page

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

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

SQL MCQs | Page 37 of 38

Discuss
Answer: (b).A sub-query that uses the correlation name of an outer query
Q362.
The _________ construct returns true if the argument in the sub-query is void of duplicates
Discuss
Answer: (c).unique
Q363.
State true or false: We can use Subqueries inside the from clause
Discuss
Answer: (a).True
Q364.
Choose the correct option regarding the following query:
WITH max_marks (VALUE) AS
(SELECT MAX(marks)
FROM student)
SELECT studentID
FROM student,max_marks
WHERE student.marks = max_marks.value;
Discuss
Answer: (b).The query gives the studentID of the student with the maximum marks
Q365.
SQL subqueries that can occur wherever a value is permitted provided the subquery gives only one tuple with a single attribute are called _________
Discuss
Answer: (d).Scalar Subqueries
Q366.
Insert the appropriate key word in the blank in the query ( A is a relation)
delete ______ A

where P < 5;
Discuss
Answer: (a).all
Q367.
How many relations can a delete command operate on?
Discuss
Answer: (b).1
Discuss
Answer: (b).The query deletes all the tuples whose marks are less than the average marks
Q369.
What is the format of entering date into a database while inserting data into it?
Discuss
Answer: (c).‘YYYY-MM-DD’
Discuss
Answer: (d).Data is not inserted due to the incorrect use of syntax

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