Database Systems Certification MCQs – Practice Test 19 (Chapter 4)

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Free Database Design and ER Model Quiz App (Android & iOS) with MCQ: "E-R data model employs basic concepts of type"; with answers: 3 types, 2 types, 4 types, and 5 types. Learn Notations for Modeling Data Quiz Questions, download Google Book (Free Chapter) for DBMS online modules.

Database Design and ER Model Quiz – Practice Test 19 PDF Download

MCQ 91: The E-R data model employs basic concepts of type:

2 types
3 types
4 types
5 types

MCQ 92: An E-R diagram, other components of data representation include models of user interactions and:

Modules interaction
Specification of functional modules
Interaction with system
All of the Above

MCQ 93: The generalization type in which each higher-level entity must belong to a lower-level entity set, is known as:

Total specialization
Partial specialization
Complete specialization
Dependent specialization

MCQ 94: The practice of generalization is a simple inversion of:

Inheritance
Dependency
Specialization
Relationships

MCQ 95: In a relationship set, a minimum value of cardinality 1 indicates:

Total participation
Compound participation
Composite participation
Partial participation

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