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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 28 of 31

Q271.
Consider the employee work-team example, and assume that certain employees participate in more than one work team . A given employee may therefore appear in more than one of the team entity sets that are lower level entity sets of employee. Thus, the generalization is _____________
Discuss
Answer: (a).Overlapping
Q272.
The completeness constraint may be one of the following: Total generalization or specialization , Partial generalization or specialization . Which is the default ?
Discuss
Answer: (b).Partial
Q273.
Functional dependencies are a generalization of
Discuss
Answer: (a).Key dependencies
Q274.
A domain is ______ if elements of the domain are considered to be indivisible units.
Discuss
Answer: (a).Atomic
Q275.
Identify the composite attributes
Discuss
Answer: (d).None of the mentioned
Q276.
Consider the relation given below and ind the maximum normal form applicable to them
1. R(A, B) WITH productions { A --> B }

2. R(A, B) WITH productions { B --> A }

3. R(A, B) WITH productions {A —> B, B --> A }

4. R(A, B, C) WITH productions {A -->B, B --> A, AB --> C }
Discuss
Answer: (d).All are in BCNF
Q277.
Which one is based on multi-valued dependency:
Discuss
Answer: (d).Fourth
Q278.
If a relation is in BCNF, then it is also in
Discuss
Answer: (d).All of the mentioned
Q279.
If every non-key attribute is functionally depedent primary key, then the relation will be in
Discuss
Answer: (b).Second normal form
Q280.
If an attribute of a composite key is dependent on an attribute of the other composite key, a normalization called _____ is needed.
Discuss
Answer: (b).BCNF

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