Question

Foreign Key Definition

Answer 1

Explanation:

A foreign key is a column (or columns) that references a column (most often the primary key) of another table. ... For example, say we have two tables, a CUSTOMER table that includes all customer data, and an ORDERS table that includes all customer orders.

Answer 2

Answer:

A foreign key is a column or group of columns in a relational database table that provides a link between data in two tables.