Multiple Choice
A composite object is a semantic object that contains ________.
A) single-value,simple or group attributes,but no object attributes
B) at least one object attribute
C) at least one multi-value,simple or group attribute but no object attributes
D) at least one multi-value,object attribute
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q25: The key of an attribute is a
Q26: The first attribute of a subtype object
Q27: A parent object is also known as
Q28: The cardinalities of an attribute operate only
Q29: A "hybrid object" is a semantic object
Q31: What type of attribute is composed of
Q32: An object identifier is one or more
Q33: What type of attribute has a single
Q34: Whether a developer uses an E-R model
Q35: Explain the differences between the E-R model