INF2603 ASSIGNMENT 6 SEMESTER 2 2025

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Educating the world for a better change

,8/4/25, 5:16 AM Assessment 6 (page 1 of 15)




UNISA  2025  INF2603-25-Y  Welcome Message  Assessment 6


QUIZ




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Question 1

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The "____" characteristic of a primary key states the following:
The selected primary key must not be composed of any attribute(s) that might be considered a security risk or violation. For
example, using a Social Security number as a PK in an EMPLOYEE table is not a good idea.


a. unique values
b. nonintelligent

c. preferably single-attribute

d. security compliant

Clear my choice




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, 8/4/25, 5:16 AM Assessment 6 (page 2 of 15)




UNISA  2025  INF2603-25-Y  Welcome Message  Assessment 6


QUIZ




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Question 2

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If one exists, a data modeler uses a ____ as the primary key of the entity being modeled.


a. foreign key

b. combination key
c. surrogate key

d. natural identifier

Clear my choice




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