2017年湖南农业大学食品科技学院341农业知识综合三[专业硕士]之数据库系统概论考研冲刺密押题
● 摘要
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1 R X Y Z , =X; S w , X W =XR X R S S
A. 1, 2
B. 2, null
C. 3, 3
D. 4, 1
C
F R S
S X R X S X R X S X 3
2
A.
B.
C.
D.
C
3 DBMS DML
A.
B.
C.
D.
A
DBMS
4
A.
B.
C.
D.
A
5 " "
A.
B.
C.
D.
D
6
A.
B.
C.
D.
C
7
A.
B.
C.
D. A
8 OODB class
A.
B.
C.
D.
D
9
A.
B.
C.
D.
A