ExamVeda
Login
Home

Use of a supertype subtype relationship is necessary when which of...

This question belongs to Database ER Model And Business Rules
ER Model and Business Rules
?

Use of a supertype/subtype relationship is necessary when which of the following exists?

Answer & Solution
Correct Answer: Option A
Let's discuss the solution. Join the discussion
Examveda
Question posted by Examveda
Community

Join the Discussion

No comments yet Be the first to discuss this question.
Keep Learning

Related Questions on ER Model and Business Rules

An action assertion must include which of the following?
A. Anchor object B. Action C. Corresponding object D. All of the above
An oval represents which of the following in an EER?
A. Attribute B. Entity C. Optional One D. Relationship
Inheritance is which of the following?
A. When a supertype entity inherits values of the subtype attribute B. When a subtype entity inherits values of the supertype attribute C. When a supertype entity inherits values of another supertype attribute D. When a subtype entity inherits values of another subtype attribute
When an entity instance must be a member of only one subtype, it is which of the following?
A. Disjoint with total specialization B. Disjoint with partial specialization C. Overlap with total specialization D. Overlap with partial specialization
More Related Questions on ER Model and Business Rules