1. Overview of a Database Management System

1.1. What is a Database Management System?

 A Database Management System can simply be defined as a set of software programs that controls the organisation, storage, management, and retrieval of data in a database.

 Typical examples of Database Management Systems include Oracle

Database, Microsoft SQL Server, and PostgreSQL. Nowadays, a small number of DBMSs are used by the great majority of database applications to manage practically all the world‘s databases.