DBMS 15CS53
Database Management System
Subject code :15CS53
What is Data?
In simple words data can be facts related to any object in consideration.
For example your name, age, height, weight, etc are some data related to you.
A picture , image , file , pdf etc can also be considered data.
What is a Database?
Database is a systematic collection of data. Databases support storage and manipulation of data. Databases make data management easy. Let's discuss few examples.
An online telephone directory would definitely use database to store data pertaining to people, phone numbers, other contact details, etc.
Your electricity service provider is obviously using a database to manage billing , client related issues, to handle fault data, etc.
What is a Database Management System (DBMS)?
Database Management System (DBMS) is a collection of programs which enables its users to access database, manipulate data, reporting / representation of data .
It also helps to control access to the database.
Database Management Systems are not a new concept and as such had been first implemented in 1960s.