Database-Management-System
August 26, 2024Database-Management-System
August 26, 2024Database-Management-System
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Question 320
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The constraint that specifies the number of entities to which another entity can be associated via
a relationship set in E-R model is referred as
a relationship set in E-R model is referred as
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Mapping cardinality
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Entity integrity
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Domain integrity
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Assertion
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Question 320 Explanation:
In a Relationship, Participation constraint specifies the existence of an entity when it is related to another entity in a relationship type. It is also called minimum cardinality constraint. This constraint specifies the number of instances of an entity that can participate in a relationship type
Correct Answer: A
Question 320 Explanation:
In a Relationship, Participation constraint specifies the existence of an entity when it is related to another entity in a relationship type. It is also called minimum cardinality constraint. This constraint specifies the number of instances of an entity that can participate in a relationship type