The relationship between a parent object and its associated subtype objects is a(n) ________.
A) HAS-A relationship
B) WANTS-A relationship
C) NEEDS-A relationship
D) IS-A relationship
Correct Answer:
Verified
Q17: Semantic objects represent distinct identities.
Q18: The cardinalities of an attribute operate only
Q19: A "simple object" can contain only simple
Q20: The first attribute of a subtype object
Q21: A parent object is also known as
Q23: Semantic objects are said to be _.
A)Semantically
Q24: A hybrid object is a semantic object
Q25: A compound object is a semantic object
Q26: A group identifier _.
A)has more than one
Q27: Explain why semantic object attributes are called
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