MT exam_03_02_21_ CSE 511_ Solutions - Arizona State University CSE 511
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Course
CSE 511
Institution
CSE 511
MT exam_03/02/21
This is a preview of the draft version of the quiz
Graded Quiz
20
Midterm Exam
Yes
60 Minutes
No
Always
After Mar 4 at 12am
Yes
No
Published Preview Edit
MT exam day/time: Tuesday March 2nd 2021, 7:40 PM-8:40 PM MST.
MT duration: 1 hour.
Number of que...
mt exam030221 this is a preview of the draft version of the quiz graded quiz 20 midterm exam yes 60 minutes no always after mar 4 at 12am yes no published p
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Content preview
3/4/2021 MT exam_03/02/21: CSE 511: Data Processing at Scale (2021 Spring)
Published Preview Edit
MT exam_03/02/21
This is a preview of the draft version of the quiz
At the beginning of the exam:
You must show your student ID.
Your camera must be ON.
Your phone must be OFF.
Quiz Type Graded Quiz
Points 20
Assignment Group Midterm Exam
Shuffle Answers Yes
Time Limit 60 Minutes
Multiple Attempts No
View Responses Always
Show Correct Answers After Mar 4 at 12am
One Question at a Time Yes
No
, 3/4/2021 MT exam_03/02/21: CSE 511: Data Processing at Scale (2021 Spring)
Question 2 0..5 pts
Under which of the following scenarios is database recovery necessary?
Data entry error
Keyboard failure
Relational database design error
Correct! Transaction failure
Explanation: Transaction failure is the only scenario where database
recovery is necessary. The other scenarios do not affect the
database itself and hence we do not need to recover the database
Question 3 0..5 pts
While translating ER diagrams to relational models, which is true for weak
entity sets?
● Weak entity set and identifying relationship set are translated into
different tables
● None of the given options
● Weak entity set is translated into a table
Correct!
● Weak entity set and identifying relationship set are translated into a
single table
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