WBCS.LIVE practice question

What is a composite key in DBMS?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

A key used in a foreign table
A primary key formed by a combination of more than one column
A key that stores composite data
A key formed by joining multiple tables

Correct answer and explanation

Correct answer: A primary key formed by a combination of more than one column