Exam (elaborations)
INF2603_Assessment_7 Answers
- Course
- Databases I (INF2603)
- Institution
- University Of South Africa (Unisa)
INF2603_Assessment_7 Answers_100%
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Content preview
Assessment 7: Attempt review https://mymodules.dtls.unisa.ac.za/mod/quiz/review.php?attempt=199UNISA 2024 INF2603-24-Y Welcome Message Assessment 7
QUIZ
Started on Monday, 24 June 2024, 10:41 AM
State Finished
Completed on Monday, 24 June 2024, 11:02 AM
Time taken 20 mins 54 secs
Grade 20.00 out of 20.00 (100%)
Question 1
Correct
Mark 1.00 out of 1.00
The entities that participate in a relationship are also known as participants.
True
False
The correct answer is 'True'.
Question 2
Correct
Mark 1.00 out of 1.00
Knowing the ____ number of entity occurrences is very helpful at the application
software level.
a. maximum
b. minimum
c. approximate
d. maximum and minimum
The correct answer is: maximum and minimum
1 of 7 2024/06/24, 11
,Assessment 7: Attempt review https://mymodules.dtls.unisa.ac.za/mod/quiz/review.php?attempt=199
Question 3
Correct
Mark 1.00 out of 1.00
A ____ should be a derived attribute.
a. person’s name
b. person’s age
c. person’s social security number
d. person’s phone number
The correct answer is: person’s age
Question 4
Correct
Mark 1.00 out of 1.00
A ____ identi�er is composed of more than one attribute.
a. primary
b. foreign
c. composite
d. domain
The correct answer is: composite
Question 5
Correct
Mark 1.00 out of 1.00
A ____ attribute can have only one value.
a. composite
b. simple
c. single-valued
d. multivalued
The correct answer is: single-valued
2 of 7 2024/06/24, 11
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