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1. ETROY Introduction to Database Syst CS-4420-XTIA 14/T2 (Niu)

2. Assessments 3. Quizzes of Chapters 4. Review Test Submission: Quiz for Chapters Two and Three

ETROY Introduction to Database Syst CS-4420-XTIA 14/T2 (Niu)

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Review Test Submission: Quiz for Chapters Two and Three User
Jordan Wilczewski
Course
ETROY Introduction to Database Syst CS-4420-XTIA 14/T2 (Niu)
Test
Quiz for Chapters Two and Three
Started
11/5/14 9:21 PMLATE
Submitted
11/5/14 9:58 PMLATE
Due Date
10/26/14 11:59 PM
Status
Needs Grading
Attempt Score
6 out of 60 points
Time Elapsed
37 minutes
Results Displayed
All Answers, Submitted Answers, Correct Answers
Question 1
0 out of 1 points

The figure below is an example of a(n):

Selected Answer: [None Given]
Answers:
supertype/subtype hierarchy.

hierarchical data model.

entity cluster.

None of these.

Question 2
0 out of 1 points

Which of the following statements is true about the figure shown below?

Selected Answer: [None Given]
Answers:
A rental unit must be either an apartment or a house, and cannot be both at the same time.

A rental unit can be an apartment, house or just a rental unit; it may not be more than one at the same time.

A rental unit must be either an apartment or a house, and could be both.

A rental unit can be an apartment, a house or just a rental unit. It could be both an apartment and a house at the same time.

Question 3
0 out of 1 points

Which statement is true about the following diagram?

Selected Answer: [None Given]
Answers:
A person can only be a faculty, student or staff.

A student can be both an undergraduate and a graduate student at the same time.

All attributes of person and student