entity relationship model

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In an entity relationship model, an association among several entities is known as

In an entity relationship model, an association among several entities is known as
  • A. Relationship
  • B. Connection
  • C. Participation
  • D. Synchronization
  • Correct Answer: Option A

A relationship instance in a given relationship set must be uniquely identifiable from its

A relationship instance in a given relationship set must be uniquely identifiable from its
  • A. Participating sets
  • B. Participating relations
  • C. Participating entities
  • D. Participating roles
  • Correct Answer: Option C

Function that an entity plays in a relationship is called

Function that an entity plays in a relationship is called
  • A. Entity's role
  • B. Entity's participation
  • C. Set relationship
  • D. Set role
  • Correct Answer: Option A

Attributes that can be divided into subparts, are known as

Attributes that can be divided into subparts, are known as
  • A. Compound attributes
  • B. Simple attributes
  • C. Composite attributes
  • D. Domain attributes
  • Correct Answer: Option C

Set of permitted values for each attribute is known as its

Set of permitted values for each attribute is known as its
  • A. Domain
  • B. Value set
  • C. Action set
  • D. Both A and B
  • Correct Answer: Option D