[DATABASE] Complete instruction on database design

What is a DBMS?

A Database Management System, aka DBMS is a software package designed to define, manipulate, retrieve and manage data in a database.

What is the difference between a DBMS and a database?

DBMS can contain several databases, meaning that a database is simply one of databases that a DBMS manages. Again, the DBMS can define new database, manipulate, retrieve and manage data in a database.

Why do we indeed need…