Question: 42
(Choose 1 answer)
In the figure, any field that serves as a primary key is called a.
A. candidate key
B. secondary key
C. combination key
D. foreign key
STUDENT
STUDENT
NUMBER
STUDENT
TOTAL
GPA
NAME
CREDITS
ADVISOR
NUMBER
1035 A
Linda Mark
14
3.40
49
3397
Sam Carr
9
3.75
49
4070
Kelly Goldman
8
2.50
23
GRADE
224 +
STUDENT
NUMBER
I COURSE
NUMBER
ADVISOR
ADVISOR
NUMBER
ADVISOR
NAME
OFFICE
23
Alice Jones
B-230
49
Carlton Smith
D-331
GRADE
1035
CSC151
1035
MKT212
1035
ENG101
1035
O CHM112
3397
ENG101
3397
MKT212
3397
CSC151
4070
CSC151
4070
CHM112
COURSE
COURSE
NUMBER
COURSE
CREDIT
DESCRIPTION
HOURS
CHM112
General Chemistry 1
