Multiple choice

What do we call a field that references a field in another table?

  1. Connection Key

  2. Primary Key

  3. Candidate Key

  4. Foreign Key

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A foreign key is a column or group of columns in a relational database table that provides a link between data in two tables. It acts as a cross-reference between tables because it references the primary key or a unique key of another table.