Question

What SQL concept is illustrated in the given statement?

Option 1: Primary Key
Option 2: Foreign Key
Option 3: Index
Option 4: Trigger

Answer 1

The SQL concept illustrated in the statement is a Foreign Key.

Step-by-step explanation:

The SQL concept illustrated in the given statement is Option 2: Foreign Key.

A foreign key is a column or a group of columns in a relational database table that provides a link between data in two tables, establishing a relationship. It is used to enforce referential integrity and maintain the integrity of data across related tables.