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Chapter 4: Database Systems Exam Tests

Database Systems MCQs - Chapter 4

Database Design and ER Model Multiple Choice Questions (MCQ) PDF - 4

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Database Design and ER Model Questions & Answers PDF Download: MCQ Quiz 4

MCQ 16: The structure of the primary key for the relationship set depends on the

A) Entity sets
B) Roles
C) Mapping cardinalities
D) Mapping expression

MCQ 17: The initial phase of database design is to

A) Choosing data model
B) Conceptual design
C) Characterize data needs
D) Conceptual schema

MCQ 18: In generalization, the constraint in which membership is evaluated on the basis of an explicit predicate, is known as

A) User-defined
B) System-defined
C) Condition-defined
D) Data-defined

MCQ 19: For performance calculations of an efficient database system, the main metrics is/are of type(s)

A) 1 type
B) 2 types
C) 3 types
D) 4 types

MCQ 20: The UML diagram that specifies the sequences/ steps of operations to be performed

A) Class diagram
B) Use case diagram
C) Activity diagram
D) E-R diagram

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Database Design and ER Model App (Android & iOS)

Database Design and ER Model App (Android & iOS)

Database Management System App (Android & iOS)

Database Management System App (Android & iOS)

Computer Fundamentals App (Android & iOS)

Computer Fundamentals App (Android & iOS)

DBMS App (Android & iOS)

DBMS App (Android & iOS)