True/False
In specialization hierarchies with multiple levels of supertype and subtypes, a lower-level subtype can inherit only a few of the attributes and relationships from its upper-level supertypes.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q55: Entity supertypes and subtypes are organized in
Q56: Specialization is the top-down process of identifying
Q57: Explain the "no change over time" characteristic
Q58: A design trap occurs when a relationship
Q59: The "_" characteristic of a primary key
Q61: The extended entity relationship model (EERM) is
Q62: Disjoint subtypes are also known as _
Q63: A subtype contains attributes that are common
Q64: The _ depicts the arrangement of higher-level
Q65: _ completeness means that every supertype occurrence