What is database management system? What are its applications?

Database Management System:
Management of data involves a way to store data and also provides a mechanism for
manipulation of that data. Database management systems are basically designed to manage large
volume of information.
A database system is basically just a computerized record-keeping system. A database
system involves four major components: data, hardware, software, and users. The database
management system (DBMS) is the software that handles all access to the database. It is
defined as the collection of interrelated data and a set of programs to access those data.
The primary goal of DBMS is to store and retrieve data in both convenient (easy method)
and efficient (capable of performing well) manner. Some of the examples of DBMS are Oracle,
SQL-Server, MySQL, MS Access etc.

Applications of DBMS:
· Banking:
To store information about customers, their account number, balance etc.
· Airlines:
For reservations and schedule information.
· Telecommunication:
To keep records of customers, call made, balance left, generating monthly bills
etc.
· Universities:
To keep records of students, courses, marks of students etc.
· Sales:
To keep information of customers, products list, purchase information etc.
· Manufacturing:
To store orders, tracking production of items etc.
· Human Resources:
To keep records of employee, their salary, bonus etc.