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WAEC Data Processing 2024 Objective — Question 24

Question 24 of 40 from the West African Examinations Council (WAEC) Data Processing 2024 Objective paper, with the correct answer and a full explanation.

24. Which of the following lists contains the primary keys in Figure 4?

Diagram for question 24

A. Customers, Orders and Products
B. OrderId, OrderDetailIdCorrect
C. CustomerId, FirstName, LastName and DateCreated
D. Customers, FirstName, LastName and DateCreated

Explanation

CustomerId, orderId, productId are the primary keys.

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