Explain database management system with example

Database management system (DBMS) : it's a collection of interrelated data and set of program to access and update and manage those data or it is a software package to facilitate creation and maintenance of computerized database it is general purpose software that facilitates the following:

• Defining : specifying data types and structures and constrains for data to be stored
• Constructing : storing data in a storage medium.
• Manipulating : involves creating, updating and generating reports
• Sharing : allow multiple user and programs to access data simultaneously