Basic concepts of database


NaN years ago

In the age of the internet, data is king because data can be used to extract information about people places, and much more. People who know how to handle data are often regarded as high value in organizations. To become a high-value person and design efficient systems, you need to learn the basic concept of databases and how to manage data. In computers, data can be stored and manipulated in many ways but we often use a software program called a database management system.

Database Management System (DBMS) is a software program that is used to create, maintain, and manage a database. It provides users with the ability to control and manipulate the data in a database. The basic concepts of a DBMS include the database, tables, fields, records, and queries.

Purpose of Database Management System

In the 1960s, Charles Bachman developed the first database management system to overcome the problems faced in file-processing systems, which were previously used to store digital information. Problem like,

  • Data redundancy and inconsistency,
  • Difficulty in accessing data,
  • Integrity problems,
  • Atomicity problems,
  • Concurrent-access anomalies,
  • Security problem,
  • Data isolation.

Basic Operations on Database

  • Add: To add new information.
  • Read: To view stored information.
  • Modify: To edit the existing information.
  • Delete: To remove unwanted information.
  • Arrange: To arrange the information in the desired order.

Components of the Database System.

  1. Hardware: It is the actual computer system used for keeping and accessing the database.
  2. Software: It is the actual DBMS that connects the physical database and the user.
  3. Data: It is a form of information that acts as a bridge between the machine and the user.
  4. Users: These are the people who can access data using the interface provided by DBMS. The users can be Application Programmers, Online users, Database Administrators, etc.
  5. Procedures: These refer to the instructions and rules that govern the use of the database. These documented procedures tell users how to use or run the system.

I was lucky to learn the basic concepts of databases in college when I was just starting to learn how to code. I didn't use them much at first, but when I started making projects, they were the first thing I used. I would highly recommand you to focus on the basics.

Though the above information is enough to get started, it is not enough to build advance systems that can be used in the real world. To learn about basic terminologies and advance concepts, follow the roadmap or use the resources provided by Neuton.

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