Question

What is a foreign key? a security key to a database that stores foreign data a security key to a database located in another country a field in a table that uniquely identifies a record in a relational database a field in a table that links it to other tables in a relational database

Answer 1

A - a security key to a database that stores foreign data

Answer 2

Answer: a field in a table that links it to other tables in a relational database