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INF2603 October/November 2024

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INF2603 October November 2024 ;100 % TRUSTED workings, Expert Solved, Explanations and Solutions. For assistance call or W.h.a.t.s.a.p.p us on ...(.+.2.5.4.7.7.9.5.4.0.1.3.2)........... QUESTION 1 [20 marks] Carefully select the most correct answer to each of the following questions. Please write...

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  • October 30, 2024
  • 11
  • 2024/2025
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INF2603
OCT/NOV PORTFOLIO 2024
UNIQUE NO.
DUE DATE: 31 OCTOBER 2024

, INF2603

October/November Exam 2024

Unique Number:

Due Date: 31 Octoer 2024

Databases I

Question 1

1. (a) True
2. (b) False
3. (a) True
4. (a) True
5. (b) False
6. (a) CHECK
7. (c) EXISTS
8. (b) HAVING
9. (d) UPDATE
10. (e) LIKE




Question 2

a. Difference between a column constraint and a table constraint:

 A column constraint applies only to a single column within a table and is used
to enforce data integrity specific to that column (e.g., NOT NULL or UNIQUE
constraints on a column).
 A table constraint applies to multiple columns within the table or even the entire
table, allowing more complex integrity checks (e.g., PRIMARY KEY, FOREIGN
KEY, or CHECK constraints that might involve multiple columns).

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