Database Systems MCQs - Chapter 4

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

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The Multiple Choice Question (MCQ Quiz): In an E-R diagram, specialization is represented by a PDF, "Database Design and ER Model MCQs" App Download (Free) with solid arrow-head, hollow arrow-head, dashed arrow-head, and double arrow-head choices for computer science associate degree. Solve specialization quiz questions, download Google eBook (Free Sample) for information and communication technology.

Database Systems: Database Design and ER Model MCQs Questions PDF Download

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

A) Hollow arrow-head

B) Solid arrow-head

C) Dashed arrow-head

D) Double arrow-head

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

A) Owner relationship

B) Existence relationship

C) Dependency relationship

D) Identifying relationship

MCQ: Mapping cardinalities are useful in describing

A) Unary relationships

B) Binary relationships

C) Composite relationships

D) Simple relationships

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

A) Strong relationship

B) Relational relationship

C) Domain relationship

D) Identifying relationship

MCQ: The mapping cardinalities can be of type

A) 2 types

B) 3 types

C) 4 types

D) 5 types

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