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![INF3707 EXAM PACK 2023](/docpics/63e27eee47547_2346256.jpg)
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INF3707 EXAM PACK 2023
- Exam (elaborations) • 157 pages • 2023
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JUNE / JULY 2021 
INF3707 
DATABASE DESIGN AND IMPLEMENTATION 
Date: 05 July 2021 
Duration: 2 hours 
Total marks: 100 
Examiners: 
First: Dr B. Chipangura 
Second: Dr L. Motsi 
External: Dr P. Nkomo 
This is a closed book examination. 
Instructions to students 
1. Unisa examination policies apply. 
2. Answer all questions. 
3. Study the tables and data in Annexure A. 
4. The marks for each question are given in brackets next to the question. 
5. Please answer the questions in or...
![Database_Design_Wk1_Chapter1_Exercise_Q&A](/docpics/3046318/64adb1bba118f_3046318_121_171.jpeg)
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Database_Design_Wk1_Chapter1_Exercise_Q&A
- Summary • 2 pages • 2023
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1. Discuss each of the following terms: 
data 
field 
record 
file 
2. What is data redundancy? 
3. Discuss the disadvantages of file-based systems. 
4. Explain the difference between data and information. 
5. Use Figure 1.2 (below) to answer the following questions. 
In the table, how many records does the file contain? 
How many fields are there per record? 
What problem would you encounter if you wanted to produce a listing by city? 
How would you solve this problem by altering the file stru...
INF3707 EXAM PACK 2022 Latest exam pack questions and answers and summarized notes for exam preparation. 
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