engineering computer science MCQ #850

In a relational database, what is the term for a constraint that ensures data consistency?

engineering computer science MCQ #850

  1. Question 1

    Q1. In a relational database, what is the term for a constraint that ensures data consistency?

    • A) Primary key constraint
    • B) Foreign key constraint
    • C) Check constraint
    • D) Unique constraint

    Answer: Check constraint

    Explanation: A check constraint ensures that data entered into a column satisfies a specific condition.