engineering computer science MCQ #815

What is a foreign key?

engineering computer science MCQ #815

  1. Question 1

    Q1. What is a foreign key?

    • A) A column that uniquely identifies a row
    • B) A column that references the primary key of another table
    • C) A composite key
    • D) A primary key

    Answer: A column that references the primary key of another table

    Explanation: A foreign key is a column that references the primary key of another table, establishing a relationship between the two tables.