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.

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 1 of 8

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SQL Queries,Constraints and Triggers

Q1.

The on condition appears at the _______ of the join expression

Beginning

End

Between

The on condition is not related to join expression

Discuss

Answer: (b).End

Q2.

What is the difference between a join and an outer join operation?

There is no difference

Join preserves a few tuples that are otherwise lost in the outer join

Outer join preserves a few tuples that are otherwise lost in the join

An outer join can be used only on outer queries whereas a join operation can be used in Subqueries

Discuss

Answer: (c).Outer join preserves a few tuples that are otherwise lost in the join

Q3.

The join operations that do not retain mismatched tuples are called as _________ operations

outer join

natural join

full outer join

inner join

Discuss

Answer: (d).inner join

Q4.

What is the function of a left outer join?

It preserves tuples only in the relation named before the operation

It preserves tuples only in the relation named after the operation

It preserved tuples in the relations named on both the sides of the operation

It does not preserve any tuples on either side of the relation

Discuss

Answer: (a).It preserves tuples only in the relation named before the operation

Q5.

What is the function of a full outer join?

It preserves tuples only in the relation named before the operation

It preserves tuples only in the relation named after the operation

It preserved tuples in the relations named on both the sides of the operation

It does not preserve any tuples on either side of the relation

Discuss

Answer: (c).It preserved tuples in the relations named on both the sides of the operation

Q6.

What is the function of a right outer join?

It preserves tuples only in the relation named before the operation

It preserves tuples only in the relation named after the operation

It preserved tuples in the relations named on both the sides of the operation

It does not preserve any tuples on either side of the relation

Discuss

Answer: (b).It preserves tuples only in the relation named after the operation

Q7.

What is the function of inner join?

It preserves tuples only in the relation named before the operation

It preserves tuples only in the relation named after the operation

It preserved tuples in the relations named on both the sides of the operation

It does not preserve any tuples on either side of the relation

Discuss

Answer: (d).It does not preserve any tuples on either side of the relation

Q8.

State true or false: on and where behave differently for outer join

True

False

May be

Can't say

Discuss

Answer: (a).True

Q9.

Which off the following is not a valid type of join?

left outer join

outer join

join

full join

Discuss

Answer: (d).full join

Q10.

If a left outer join is performed and the tuple on the left hand side does not match with the tuple on the right hand side, what happens to the values that are preserved on the left hand side?

They are given null values

They are given a random value

The user is asked to enter data

The query is declared invalid by the compiler

Discuss

Answer: (a).They are given null values

Page 1 of 8

Welcome to the Advanced SQL MCQs Page

Advanced SQL MCQs | Page 1 of 8

Explore more Topics under DBMS

DBMS Basics

Data Models

The Entity Relationship Approach

Relational Databases

Data Storage and Querying

Relational Algebra

Normalization

Storage and File Structures

Indexing and Hashing

Transactions

Concurrency Control

Recovery System

Distributed Databases

SQL

Data Warehousing and Data Mining

RDBMS

SQL Queries,Constraints and Triggers

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