Remember that the DBMS is just one of several crucial components of a database system. The DBMS may even be
referred to as the database system’s heart. However, just as it takes more than a heart to make a human being function,
it takes more than a DBMS to make a database system function. In the sections that follow, you’ll learn what a
database system is, what its components are, and how the DBMS fits into the picture.