entity relationship diagrams

mcqspedia.com has 5 Question/Answers about Topic entity relationship diagrams

In E-R diagrams, a weak entity set is represented via a

In E-R diagrams, a weak entity set is represented via a
  • A. Rectangle
  • B. Diamond
  • C. Circle
  • D. Double diamonds
  • Correct Answer: Option A

A relationship line may have an associated minimum and maximum

A relationship line may have an associated minimum and maximum
  • A. Values
  • B. Cardinalities
  • C. Range
  • D. Attributes
  • Correct Answer: Option B

If a relationship set has some associated attributes, then it is enclosed in a

If a relationship set has some associated attributes, then it is enclosed in a
  • A. Diamond
  • B. Double Diamond
  • C. Rectangle
  • D. Circle
  • Correct Answer: Option C

A weak entity set can make participation in any relationship other than the

A weak entity set can make participation in any relationship other than the
  • A. Strong relationship
  • B. Relational relationship
  • C. Domain relationship
  • D. Identifying relationship
  • Correct Answer: Option D

Relationship between weak entity set and identifying entity set’s association is known as

Relationship between weak entity set and identifying entity set’s association is known as
  • A. Owner relationship
  • B. Existence relationship
  • C. Dependency relationship
  • D. Identifying relationship
  • Correct Answer: Option D