lOMoAR cPSD| 52021443
messages.downloaded_by
, lOMoAR cPSD| 52021443
UNIVERSITY EXAMINATIONS
JANUARY/FEBRUARY 2026
INF2603
Databases 1
100 Marks
Duration 2 Hours
EXAMINERS:
FIRST: Mr ME Bogopa
SECOND: Ms A Mukhithi
This paper consists of 6 pages.
Instructions:
1. Answer all questions.
2. The marks for each question are given in brackets
next to the question.
3. Please answer the questions in the order in which
they have been set.
messages.downloaded_by
, lOMoAR cPSD| 52021443
4. You signed an Honesty Declaration. This means you
will complete this paper on your own and without
help.
5. This final pdf document should not be password
protected.
6. Convert all the pages into a single PDF file.
7. Poorly scanned and hard to read answer files will
result in a zero mark.
8. Once your document meets all the criteria, then you
can upload the file to cset.myexams.unisa.ac.za.
GOOD LUCK.
QUESTION 1 [20 marks]
Carefully select the most correct answer to each of the
following questions. Please write down only the question
number and corresponding to it put the correct option’s
number (e.g. Qu. 11. (c)):
messages.downloaded_by
, lOMoAR cPSD| 52021443
For question 1 to 4: Indicate whether the statement is true or
false. (2 marks each):
1. Within a specialisation hierarchy, every subtype can
have only one supertype to which it is directly related.
a. True
b. False
2. Sekhukhune College of Education had some
departments that were classified as “research only,” that
means they would not offer courses; therefore, the
COURSE entity would be independent to the
DEPARTMENT entity.
a. True
b. False
3. Both centralized and decentralized distributed databases
require a well-defined infrastructure (hardware,
operating systems, network technologies, etc) to
implement and operates the database.
a. True
b. False
messages.downloaded_by
messages.downloaded_by
, lOMoAR cPSD| 52021443
UNIVERSITY EXAMINATIONS
JANUARY/FEBRUARY 2026
INF2603
Databases 1
100 Marks
Duration 2 Hours
EXAMINERS:
FIRST: Mr ME Bogopa
SECOND: Ms A Mukhithi
This paper consists of 6 pages.
Instructions:
1. Answer all questions.
2. The marks for each question are given in brackets
next to the question.
3. Please answer the questions in the order in which
they have been set.
messages.downloaded_by
, lOMoAR cPSD| 52021443
4. You signed an Honesty Declaration. This means you
will complete this paper on your own and without
help.
5. This final pdf document should not be password
protected.
6. Convert all the pages into a single PDF file.
7. Poorly scanned and hard to read answer files will
result in a zero mark.
8. Once your document meets all the criteria, then you
can upload the file to cset.myexams.unisa.ac.za.
GOOD LUCK.
QUESTION 1 [20 marks]
Carefully select the most correct answer to each of the
following questions. Please write down only the question
number and corresponding to it put the correct option’s
number (e.g. Qu. 11. (c)):
messages.downloaded_by
, lOMoAR cPSD| 52021443
For question 1 to 4: Indicate whether the statement is true or
false. (2 marks each):
1. Within a specialisation hierarchy, every subtype can
have only one supertype to which it is directly related.
a. True
b. False
2. Sekhukhune College of Education had some
departments that were classified as “research only,” that
means they would not offer courses; therefore, the
COURSE entity would be independent to the
DEPARTMENT entity.
a. True
b. False
3. Both centralized and decentralized distributed databases
require a well-defined infrastructure (hardware,
operating systems, network technologies, etc) to
implement and operates the database.
a. True
b. False
messages.downloaded_by
