Aggregation is:
A. an abstraction through which relationships are treated as lower level entities
B. an abstraction through which relationships are treated as higher level entities
C. an abstraction through which relationships are not treated at all as entities
D. none of the above
Answer:B
Aggregation is:
A. an abstraction through which relationships are treated as lower level entities B. an abstraction through which relationships are treated as higher level entities C. an abstraction through which relationships are not treated at all as entities D. none of the above