WAEC Data Processing 2025 Objective — Question 35

Question 35 of 40 from the West African Examinations Council (WAEC) Data Processing 2025 Objective paper, with the correct answer and a full explanation.

The SQL constraint used to ensure the accuracy and consistency of data in a relational database is called

A. default constraint
B. index constraint
C. integrity constraintCorrect
D. unique constraint

Explanation

An integrity constraint in SQL is used to ensure the accuracy and consistency of data in a relational database, enforcing rules such as valid data entries and referential integrity.

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