Assessment 4: Attempt review https://mymodules.dtls.unisa.ac.za/mod/quiz/review.php?attempt=178
UNISA 2024 INF2603-24-Y Welcome Message Assessment 4
QUIZ
Started on Thursday, 18 April 2024, 3:30 PM
State Finished
Completed on Thursday, 18 April 2024, 3:56 PM
Time taken 25 mins 45 secs
Grade 19.00 out of 20.00 (95%)
Question 1
Correct
Mark 1.00 out of 1.00
Students and classes have a _____ relationship.
a. one-to-one
b. one-to-many
c. many-to-one
d. many-to-many
The correct answer is: many-to-many
Question 2
Correct
Mark 1.00 out of 1.00
Which of the following is true of business rules?
a. They allow the designer to set company policies with regard to data.
b. They allow the designer to develop business processes.
c. They can serve as a communication tool between the users and
designers.
d. They provide a framework for the company's self-actualization.
The correct answer is: They can serve as a communication tool between the
users and designers.
1 of 7 2024/04/29, 15
,Assessment 4: Attempt review https://mymodules.dtls.unisa.ac.za/mod/quiz/review.php?attempt=178
Question 3
Correct
Mark 1.00 out of 1.00
A(n) _______ enables a database administrator to describe schema components.
a. extensible markup language (XML)
b. data de�nition language (DDL)
c. uni�ed modeling language (UML)
d. query language
The correct answer is: data de�nition language (DDL)
Question 4
Correct
Mark 1.00 out of 1.00
Each row in the relational table is known as a(n) .
entity instance
The correct answer is: entity instance
Question 5
Correct
Mark 1.00 out of 1.00
_____ are important because they help to ensure data integrity.
a. Attributes
b. Entities
c. Relationships
d. Constraints
The correct answer is: Constraints
2 of 7 2024/04/29, 15
UNISA 2024 INF2603-24-Y Welcome Message Assessment 4
QUIZ
Started on Thursday, 18 April 2024, 3:30 PM
State Finished
Completed on Thursday, 18 April 2024, 3:56 PM
Time taken 25 mins 45 secs
Grade 19.00 out of 20.00 (95%)
Question 1
Correct
Mark 1.00 out of 1.00
Students and classes have a _____ relationship.
a. one-to-one
b. one-to-many
c. many-to-one
d. many-to-many
The correct answer is: many-to-many
Question 2
Correct
Mark 1.00 out of 1.00
Which of the following is true of business rules?
a. They allow the designer to set company policies with regard to data.
b. They allow the designer to develop business processes.
c. They can serve as a communication tool between the users and
designers.
d. They provide a framework for the company's self-actualization.
The correct answer is: They can serve as a communication tool between the
users and designers.
1 of 7 2024/04/29, 15
,Assessment 4: Attempt review https://mymodules.dtls.unisa.ac.za/mod/quiz/review.php?attempt=178
Question 3
Correct
Mark 1.00 out of 1.00
A(n) _______ enables a database administrator to describe schema components.
a. extensible markup language (XML)
b. data de�nition language (DDL)
c. uni�ed modeling language (UML)
d. query language
The correct answer is: data de�nition language (DDL)
Question 4
Correct
Mark 1.00 out of 1.00
Each row in the relational table is known as a(n) .
entity instance
The correct answer is: entity instance
Question 5
Correct
Mark 1.00 out of 1.00
_____ are important because they help to ensure data integrity.
a. Attributes
b. Entities
c. Relationships
d. Constraints
The correct answer is: Constraints
2 of 7 2024/04/29, 15
