Database Management System Exam MCQs – Practice Test 4 (Chapter 6)

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Entity Relationship Modeling MCQs – Practice Test 4 PDF Download

MCQ 16: In the process of specialization, the subclasses are attached by:

lines
dotted lines
red lines
red dotted lines

MCQ 17: The kind of subclass on which the entity become part of subclass by putting some condition on attribute values is classified as:

predicate segregation subclass
predicate aggregation subclass
predicate-defined subclass
indicate-defined subclass

MCQ 18: The kind of subclass in which there are no constraints for deciding membership in any given subclass is classified as:

visual subclass
user-defined subclass
member subclass
local subclass

MCQ 19: Considering the knowledge representation and conceptual modeling, the reasoning mechanisms are classified as part of:

functional modeling
concrete modeling
knowledge representation
conceptual modeling

MCQ 20: The main constraints applicable in specialization are:

disjointness constraint
incomplete constraint
completeness constraint
both a and c

Entity Relationship Modeling Exam Prep – Database Management System Notes App & e-Book

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