Chapter 5, Problem 5.10RQ

Explanation of Solution

Foreign key:

In DBMS (Database Management System), a foreign key is the group of columns or column in a relational database table that will provides a connection between data in two tables.

• A foreign key act as a cross-reference between two tables because a foreign key references a primary key of other table, so a foreign key build a connection between the two table.
• When compare to primary key, an implementation of foreign key is more complex...