Database Systems MCQs - Chapter 4

Database Design and ER Model Multiple Choice Questions (MCQs) PDF Download - 1

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The Multiple Choice Question (MCQ Quiz): In an E-R diagram, specialization is represented by a; "Database Design and ER Model" App Download (Free) with answers solid arrow-head, hollow arrow-head, dashed arrow-head and double arrow-head for online DBA certification courses. Solve specialization quiz questions, download Google eBook (Free Sample) for information and communication technology.

Database Design and ER Model Questions & Answers PDF Download: MCQ Quiz 1

MCQ 1: In an E-R diagram, specialization is represented by a

Hollow arrow-head
Solid arrow-head
Dashed arrow-head
Double arrow-head

MCQ 2: The relationship between the weak entity set and the identifying entity set's association is known as

Owner relationship
Existence relationship
Dependency relationship
Identifying relationship

MCQ 3: Mapping cardinalities are useful in describing

Unary relationships
Binary relationships
Composite relationships
Simple relationships

MCQ 4: A weak entity set can make participation in any relationship other than the

Strong relationship
Relational relationship
Domain relationship
Identifying relationship

MCQ 5: The mapping cardinalities can be of type

2 types
3 types
4 types
5 types

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