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Welcome to the The Entity Relationship Approach MCQs Page

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

The Entity Relationship Approach MCQs | Page 5 of 31

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Q41.
A set of possible data values is called
Discuss
Answer: (d).domain
Q42.
Which of the following is another name for weak entity?
Discuss
Answer: (a).Child
Q43.
In E-R Diagram derived attribute are represented by
Discuss
Answer: (b).Dashed ellipse
Q44.
An instance of relational schema R (A, B, C) has distinct values of A including NULL values. Which one of the following is true?
Discuss
Answer: (b).A is not a candidate key
Q45.
In E-R Diagram relationship type is represented by
Discuss
Answer: (d).Diamond
Q46.
In E-R diagram generalization is represented by
Discuss
Answer: (d).Triangle
Q47.
Database supports _______ types of database schema's.

a.

3

b.

1

c.

2

d.

4

Discuss
Answer: (a).3
Q48.
Which of the following are valid types of Database Schema's ?
Discuss
Answer: (d).Physical and Logical Schema
Q49.
Which of the following schema is present at highest level ?
Discuss
Answer: (b).Sub-Schema
Q50.
Map of concepts and their relationships is represented by __________ Schema.
Discuss
Answer: (a).Conceptual Schema

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