Multiple choice technology databases

What is a candidate key?

  1. Used to uniquely identify a row

  2. Alias for primary key

  3. Used to identify a column

  4. Alias for foreign key
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A candidate key is a minimal set of attributes that uniquely identifies each row in a table. A table can have multiple candidate keys, and one is selected as the primary key.

Keep practicing — related questions