A supertype/subtype hierarchy has which of the following features? Options: A . &nbspSubtypes at the lower lever in the hierarchy inherit attributes only from their immediate supertype. B . &nbspAttributes are assigned at the highest logical level. C . &nbspSubtypes at the higher lever in the hierarchy inherit attributes only from their immediate subtype. D . &nbspAttributes are assigned at the lowest logical level.

A supertype/subtype hierarchy has which of the following features?

Question

A supertype/subtype hierarchy has which of the following features?

Options:

A . Subtypes at the lower lever in the hierarchy inherit attributes only from their immediate supertype.

B . Attributes are assigned at the highest logical level.

C . Subtypes at the higher lever in the hierarchy inherit attributes only from their immediate subtype.

D . Attributes are assigned at the lowest logical level.

Answer: Option B

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Question 1. Specialization is which of the following processes?....

Question 2. A subtype discriminator is which of the following?....

Question 3. When an entity instance may be a member of multiple subtypes or it does not have to be a member of a subtype, it is whic....member of a subtype, it is which of the following?

Question 4. Use of a supertype/subtype relationship is necessary when which of the following exists?....

Question 5. Which of the following is not one of the three ways to classify an action assertion?....

Question 6. A subtype entity name should be which of the following?....

Question 7. Packaged data models are meant to be exactly right straight out of the box.....

Question 8. An action assertion is a statement that expresses some aspect of the static structure of the organization.....

Question 9. A supertype can only have only one subtype.....

Question 10. There is cardinality on an EER between the supertype and subtype.....

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