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INF2630 Comprehensive Exam and Study Pack: Worked Out Exam Papers from 2017 until October 2022 plus past assignments.

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348 pages
2022/2023 Written for academic year
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University Of South Africa (Unisa)
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INF2603 - Databases I (INF2603)
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Preview 2 out of 348 pages

INF2630 Comprehensive Exam and Study Pack Preparation: Worked Out Exam Papers from 2017 until October 2022 plus past assignments. Great for assignments and exams. From pages 25 onwards are the older examinations and answers and past assignments. I have worked out the latest this week and combined it to the older pack of mine! Good Luck.

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Study & Exam Pack (2023)




Study & Exam Pack (2023)

, Contents
INF2603 (Database 1) OCTOBER/NOVEMBER 2022 (Answers) ................................. 1

INF2603 (Database 1) OCTOBER/NOVEMBER 2021 (Answers) ............................... 10

INF2603 (Database 1) October / November 2020 (Answers) ...................................... 24

Older Memos are from here on and past assignmen ………………………….25- 310




INF2603 (Database 1) OCTOBER/NOVEMBER 2022 (Answers)



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. 1 (e)).
1. Which of the following is NOT a true statement about constraints:
a. Constraints are important because they help to ensure data integrity.
b. Constraints support high-level inserts, updates and deletes.
c. Constraints are normally expressed in the form of rules.
d. A constraint is a restriction placed on the data.
The correct answer is (d) because a constraint is a restriction placed on the data and
all other options are true statements about constraints.


2. The logical view of the relational database is facilitated by the ____.
a. objects defined by the database wizard
b. file system used by the operating system
c. creation of queries using the database wizard
d. creation of data relationships based on a construct known as a table
The correct answer is (d) because a logical view of a relational database is facilitated
by creating data relationships based on a construct known as a table.
3. ______ is a common term used in traditional entity relationship modelling, and
is used to express the maximum number of entity occurrences associated with
one occurrence of the related entity.
a. Participation
Connected book
image
CARLOS. MORRIS CORONEL (STEVEN. CROCKETT, KEELEY.) DATABASE PRINCIPLES
Publisher: 2020 ISBN: 9781473768048 Edition: Unknown

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