engineering computer science MCQ #1253

What is the purpose of a database index?

engineering computer science MCQ #1253

  1. Question 1

    Q1. What is the purpose of a database index?

    • A) To improve data security
    • B) To improve query performance
    • C) To reduce data redundancy
    • D) To enforce data consistency

    Answer: To improve query performance

    Explanation: A database index improves query performance by providing a quick way to locate specific data, reducing the need for full table scans.