Database System Test 4
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Questions
Instruction:
- Total number of questions : 20
- Time allotted : 25 minutes.
- Each question carry 1 mark, no negative marks.
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| Total number of questions | : | 20 |
| Number of currect answered | : | 0 |
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- Answered
- Review
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Question 1 of 20
1. Question
1 pointsCorrectAnswer : C
IncorrectAnswer : C
-
Question 2 of 20
2. Question
1 pointsCorrectAnswer : C
IncorrectAnswer : C
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Question 3 of 20
3. Question
1 points.
For every relationship, how many possible types of actions are there when enforcing minimum cardinalities?
CorrectAnswer : D
IncorrectAnswer : D
-
Question 4 of 20
4. Question
1 pointsCorrectAnswer : D
IncorrectAnswer : D
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Question 5 of 20
5. Question
1 pointsCorrectAnswer : A
IncorrectAnswer : A
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Question 6 of 20
6. Question
1 pointsCorrectAnswer : B
IncorrectAnswer : B
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Question 7 of 20
7. Question
1 points.
When an entity instance must be a member of only one subtype, it is which of the following?
CorrectAnswer : A
IncorrectAnswer : A
-
Question 8 of 20
8. Question
1 pointsCorrectAnswer : C
IncorrectAnswer : C
-
Question 9 of 20
9. Question
1 pointsCorrectAnswer : B
IncorrectAnswer : B
-
Question 10 of 20
10. Question
1 pointsCorrectAnswer : D
IncorrectAnswer : D
-
Question 11 of 20
11. Question
1 pointsCorrectAnswer : C
IncorrectAnswer : C
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Question 12 of 20
12. Question
1 pointsCorrectAnswer : A
IncorrectAnswer : A
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Question 13 of 20
13. Question
1 points.
When an entity instance may be a member of multiple subtypes or it does not have to be a member of a subtype, it is which of the following?
CorrectAnswer : C
IncorrectAnswer : C
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Question 14 of 20
14. Question
1 pointsCorrectAnswer : D
IncorrectAnswer : D
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Question 15 of 20
15. Question
1 pointsCorrectAnswer : D
IncorrectAnswer : D
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Question 16 of 20
16. Question
1 pointsCorrectAnswer : D
IncorrectAnswer : D
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Question 17 of 20
17. Question
1 pointsCorrectAnswer : A
IncorrectAnswer : A
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Question 18 of 20
18. Question
1 pointsCorrectAnswer : D
IncorrectAnswer : D
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Question 19 of 20
19. Question
1 pointsCorrectAnswer : C
IncorrectAnswer : C
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Question 20 of 20
20. Question
1 pointsCorrectAnswer : C
IncorrectAnswer : C
