Welcome to the RDBMS MCQs Page

Dive deep into the fascinating world of RDBMS with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of RDBMS, a crucial aspect of DBMS. In this section, you will encounter a diverse range of MCQs that cover various aspects of RDBMS, 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 RDBMS. 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 RDBMS. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

RDBMS MCQs | Page 8 of 8

Explore more Topics under DBMS

01

DBMS Basics

02

Data Models

03

The Entity Relationship Approach

04

Relational Databases

05

Data Storage and Querying

06

Relational Algebra

07

Normalization

08

Storage and File Structures

09

Indexing and Hashing

10

Transactions

11

Concurrency Control

12

Recovery System

13

Distributed Databases

14

SQL

15

Data Warehousing and Data Mining

16

Advanced SQL

17

SQL Queries,Constraints and Triggers

Q71.

Student(ID, name, dept name, tot_cred)
In this query which attribute form the primary key?

Name

Dept

Tot_cred

Discuss

Answer: (d).ID

Q72.

Which one of the following is a procedural language ?

Domain relational calculus

Tuple relational calculus

Relational algebra

Query language

Discuss

Answer: (c).Relational algebra

Q73.

The_____ operation allows the combining of two relations by merging pairs of tuples, one from each relation, into a single tuple.

Select

Join

Union

Intersection

Discuss

Answer: (b).Join

Q74.

The result which operation contains all pairs of tuples from the two relations, regardless of whether their attribute values match.

Join

Cartesian product

Intersection

Set difference

Discuss

Answer: (b).Cartesian product

Q75.

The _______operation performs a set union of two “similarly structured” tables

Union

Join

Product

Intersect

Discuss

Answer: (a).Union

Q76.

The most commonly used operation in relational algebra for projecting a set of tuple from a relation is

Join

Projection

Select

Union

Discuss

Answer: (c).Select

Q77.

The _______ operator takes the results of two queries and returns only rows that appear in both result sets.

Union

Intersect

Difference

Projection

Discuss

Answer: (b).Intersect

Q78.

A ________ is a pictorial depiction of the schema of a database that shows the relations in the database, their attributes, and primary keys and foreign keys.

Schema diagram

Relational algebra

Database diagram

Schema flow

Discuss

Answer: (a).Schema diagram

Q79.

The _________ provides a set of operations that take one or more relations as input and return a relation as an output.

Schematic representation

Relational algebra

Scheme diagram

Relation flow

Discuss

Answer: (b).Relational algebra

Page 8 of 8

Welcome to the RDBMS MCQs Page

RDBMS MCQs | Page 8 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

Advanced SQL

SQL Queries,Constraints and Triggers

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