engineering computer science MCQ #699

Which database operation is used to combine the result of two or more SELECT statements?

engineering computer science MCQ #699

  1. Question 1

    Q1. Which database operation is used to combine the result of two or more SELECT statements?

    • A) JOIN
    • B) UNION
    • C) INTERSECT
    • D) EXCEPT

    Answer: UNION

    Explanation: The UNION operator combines the result of two or more SELECT statements into a single result set, removing duplicates.