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What is Database ?
  • Difficulty Level : Hard
  • Last Updated : 12 Sep, 2019

The Database is an essential part of our life. As we encounter several activities that involve our interaction with database, for example in the bank, in the railway station, in school, in a grocery store, etc. These are the places where we need to a large amount of data at one place and fetching of this data should be easy.

A database is a collection of data which is organized, which is also called as structured data. It can be accessed or stored at the computer system. It can be managed through Database management system (DBMS), which is a software which is used to manage data. Database refers to related data which is in a structured form.

In Database, data is organized into tables which consist of rows and columns and it is indexed so data gets updated, expanded and deleted easily. Computer databases typically contain file records data like transactions money in one bank account to another bank account, sales and customer details, fee details of student and product details. There are different kinds of databases, ranging from the most prevalent approach, the relational database, to a distributed database, cloud database or NoSQL database.

  • Relational Database:
    A relational database is made up of a set of tables with data that fits into a predefined category.

  • Distributed Database:
    A distributed database is a database in which portions of the database are stored in multiple physical locations, and in which processing is dispersed or replicated among different points in a network.

  • Cloud Database:
    A cloud database is a database that typically runs on a cloud computing platform. Database service provides access to the database. Database services make the underlying software-stack transparent to the user.

These interactions are the example of Traditional database where data is of one type that is textual. In advancement of technology has led to new applications of database systems. New media technology has made it possible to store images, video clips. these important features are making multimedia databases.

Nowadays, people are becoming smart before taking any decisions they analyze facts and figure related to it, which comes from these databases. As the database has made easy to manage previous information we are able to catch criminal and we are able to do deep researches.

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