engineering computer science MCQ #817

What is a database constraint?

engineering computer science MCQ #817

  1. Question 1

    Q1. What is a database constraint?

    • A) A rule that is applied to data to ensure data integrity
    • B) A stored procedure
    • C) A view
    • D) An index

    Answer: A rule that is applied to data to ensure data integrity

    Explanation: A database constraint is a rule that is applied to data to ensure data integrity, such as PRIMARY KEY, FOREIGN KEY, and CHECK constraints.