Database Management System Certification MCQs – Practice Test 3 (Chapter 6)

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Entity Relationship Modeling Quiz PDF Download – Practice Test 3

MCQ 11: The kind of class whose entities belongs to some other data class is called:

concrete classes
abstract classes
leaf node classes
template classes

MCQ 12: According to enhanced-entity relationships, the association between super class and subclass is as:

super class is subset of subclass
subclass is subset of super class
subclass is partial joint of super class
super class is partial joint of subclass

MCQ 13: The possible specialization constraint includes:

disjoint and total
overlapping and total
overlapping and partial
all of above

MCQ 14: The hierarchy in which each subclass participates in one subclass relationship is classified as:

specialization hierarchy
generalization hierarchy
jointness hierarchy
disjoint hierarchy

MCQ 15: The type of lattice in which a subclass can be class or subclass in more than one association of subclasses is classified as:

attribution lattice
specialization lattice
generalization lattice
disjoint lattice

Database Management System Quiz App & e-Book – Entity Relationship Modeling Certification Guide

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