BIKER CAMPER RUNNER d Problem 6 a At a given time a person must be exactly one of these subtypes PERSON BIKER CAMPER RUNNER d Problem 6 b A person may or may not be one of these subtypes However a person who is one of these subtypes cannot at the same time be one of the other su ID: 415065
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Slide1
PERSON
BIKER
CAMPER
RUNNER
d
Problem 6
a. At a given time, a person must be exactly one of these subtypes.Slide2
PERSON
BIKER
CAMPER
RUNNER
d
Problem 6
b. A person may or may not be one of these subtypes. However, a person who is one of these subtypes cannot at the same time be one of the other subtypes.Slide3
PERSON
BIKER
CAMPER
RUNNER
o
Problem 6
c. A person may or may not be one of these subtypes. On the other hand, a person may be any two (or even three) of these subtypes at the same time.Slide4
PERSON
BIKER
CAMPER
RUNNER
o
Problem 6
d
. At a given time, a person must be at least one of these subtypes.Slide5
Problem 11
STUDENT
CONCERT
HOMEWORK
ATTENDANCE
COMPLETION
R
c. Anchor object: STUDENT; corresponding objects: ATTENDANCE and COMPLETION
a., b.