adplus-dvertising

Welcome to the Advanced SQL MCQs Page

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

frame-decoration

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

Advanced SQL MCQs | Page 7 of 8

Explore more Topics under DBMS

Q61.
The project operation’s function in relational algebra is identical to the _______ clause in SQL

a.

where

b.

from

c.

select

d.

none of the mentioned

Discuss
Answer: (c).select
Q62.
What does the following relational operation perform?
ρx(A1,A2,A3…) (E)

a.

It returns the result of expression E with the previous attribute names

b.

It returns the result of expression E renaming the attributes as A1, A2, …

c.

It returns the result of the relation E but saves the old attributes

d.

None of the mentioned

Discuss
Answer: (b).It returns the result of expression E renaming the attributes as A1, A2, …
Q63.
What does the following relational algebra expression do?
Οƒamount > 1200 (loan)

a.

Finds all the tuples in loan

b.

Finds the tuples in loan where the amount is greater than 12000

c.

Finds all the tuples in loan where the amount is greater than 1200

d.

Finds all the amounts in loan where the number of values is greater than 1200

Discuss
Answer: (c).Finds all the tuples in loan where the amount is greater than 1200
Q64.
How is the left outer join symbol represented in relational algebra?

a.

βŸ•

b.

βŸ–

c.

βŸ—

d.

β‹ˆ

Discuss
Answer: (a).βŸ•
Q65.
How is the right outer join symbol represented in relational algebra?

a.

βŸ•

b.

βŸ–

c.

βŸ—

d.

β‹ˆ

Discuss
Answer: (b).βŸ–
Q66.
Ξ customer_name, loan_number, amount (borrower β‹ˆloan)

What does the above expression perform?

a.

It finds the customer_name, loan_number and amount from borrower

b.

It finds the customer_name, loan_number and amount from loan

c.

It finds the customer_name, loan_number and amount from the full outer join of borrower and loan

d.

It finds the customer_name, loan_number and amount from the natural join of borrower and loan

Discuss
Answer: (d).It finds the customer_name, loan_number and amount from the natural join of borrower and loan
Q67.
Updating, Deleting and Inserting in relational algebra is done using the ________ operator

a.

Assignment

b.

Modification

c.

Alteration

d.

Inclusion

Discuss
Answer: (a).Assignment
Q68.
State true or false: There exists a division operator in Relational Algebra

a.

True

b.

False

c.

May be

d.

Can't say

Discuss
Answer: (a).True
Q69.
The collections on which aggregate functions can operate are called as __________

a.

Multisets

b.

Multivalues

c.

Multicollections

d.

Multivariables

Discuss
Answer: (a).Multisets
Q70.
A join of the form r ⨝r.A=s.B s is called as

a.

Equi join

b.

Left outer join

c.

Right outer join

d.

Full outer join

Discuss
Answer: (a).Equi join
Page 7 of 8

Suggested Topics

Are you eager to expand your knowledge beyond DBMS? We've curated a selection of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!

PHP

Venture into server-side scripting with our PHP MCQs. Cover everything from syntax...

Big Data Computing

Enhance your understanding of Big Data Computing with our comprehensive MCQs. Explore...

Python

Dive into one of the most popular languages with our Python MCQs. Understand...

Microprocessor

Understand the heart of your computer with our Microprocessor MCQs. Topics include...

Formal Languages and Automata Theory

Discover the mathematical models of computation with our Formal Languages and...

Data Science

Discover the fascinating world of extracting insights from data with our Data Science...

Cyber Security

Understand the fundamentals of safeguarding digital assets with our Cyber Security...

CompTIA PenTest+ Certification Exam PT0 002

Prepare for the CompTIA PenTest+ PT0-002 exam with our targeted MCQs. Covering...

Software Architecture and Design

Get a strong hold on the blueprint of software systems with our Software Architecture...