Database Management Systems is basically called as DBMS, is a software which is used to manage interrelated data and information in order to select, retrieve, and update them back easily. Some components of Database Management Systems are:

Data: Data are raw facts that are collected figure from different sources like reports, statistical, queries etc. It does not have any meaning, that is why it is known as non-processed information. Data can be numbers, words, symbols etc. However, they should not represent some specific meanings.

Information: Information are known as a processed data that have at least one significant meaning.

Database: Database represents a collection of data related to a particular subject. Data and Information contains into database in an organized way. Data of database can be accessed easily. Telephone directory, marks sheet, dictionary etc are the best examples of databases.