Database Management System MCQs - Chapter 6

Entity Relationship Modeling Trivia Questions and Answers PDF - 4

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Entity Relationship Modeling Questions & Answers PDF Download: MCQ Quiz 4

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

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