WAEC Data Processing 2024 Objective — Question 22
Question 22 of 40 from the West African Examinations Council (WAEC) Data Processing 2024 Objective paper, with the correct answer and a full explanation.
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22. The function of the foreign key in a database is to A.
- A. uniquely identify tuples in a table.
- B. provide a link between two tables.Correct
- C. uniquely identify data in two tables.
- D. uniquely identify each record in a table.
Explanation
The foreign key exists to provide a link between two tables.
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