engineering computer science MCQ #696

Which of the following is a type of database constraint?

engineering computer science MCQ #696

  1. Question 1

    Q1. Which of the following is a type of database constraint?

    • A) Index
    • B) Trigger
    • C) Primary Key
    • D) View

    Answer: Primary Key

    Explanation: Primary Key is a constraint that uniquely identifies each row in a table, ensuring data integrity and preventing duplicates.