A specialization hierarchy can have _____ level(s) of supertype/subtype relationships.
A) zero
B) only one
C) one or many
D) many
Correct Answer:
Verified
Q20: An entity cluster is a "virtual" entity
Q21: Which of the following is a specialization
Q22: One important inheritance characteristic is that all
Q23: In the context of total completeness, in
Q24: Within a specialization hierarchy, every subtype can
Q26: Nonoverlapping subtypes are subtypes that contain a(n)
Q27: At the implementation level, the supertype and
Q28: Overlapping subtypes are subtypes that contain _
Q29: A(n) _ is the attribute in the
Q30: The default comparison condition for the subtype
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents