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Database Applications – DBMS

Last Updated: July 24, 2022 by Chaitanya Singh | Filed Under: DBMS

In this guide, you will learn the various DBMS applications. These applications help you understand the use of DBMS in various fields.

DBMS applications

Applications where we use Database Management Systems are:

  • Telecom: There is a database to keeps track of the information regarding calls made, network usage, customer details etc. Without the database systems it is hard to maintain that huge amount of data that keeps updating every millisecond.
  • Industry: Where it is a manufacturing unit, warehouse or distribution centre, each one needs a database to keep the records of ins and outs. For example distribution centre should keep a track of the product units that supplied into the centre as well as the products that got delivered out from the distribution centre on each day; this is where DBMS comes into picture.
  • Banking System: For storing customer info, tracking day to day credit and debit transactions, generating bank statements etc. All this work has been done with the help of Database management systems. Also, banking system needs security of data as the data is sensitive, this is efficiently taken care by the DBMS systems.
  • Sales: To store customer information, production information and invoice details. Using DBMS, you can track, manage and generate historical data to analyse the sales data.
  • Airlines: To travel though airlines, we make early reservations, this reservation information along with flight schedule is stored in database. This is where the real-time update of data is necessary as a flight seat reserved for one passenger should not be allocated to another passenger, this is easily handled by the DBMS systems as the data updates are in real time and fast.
  • Education sector: Database systems are frequently used in schools and colleges to store and retrieve the data regarding student details, staff details, course details, exam details, payroll data, attendance details, fees details etc. There is a large amount of inter-related data that needs to be stored and retrieved in an efficient manner.
  • Online shopping: You must be aware of the online shopping websites such as Amazon, Flipkart etc. These sites store the product information, your addresses and preferences, credit details and provide you the relevant list of products based on your query. All this involves a Database management system.  Along with managing the vast catalogue of items, there is a need to secure the user private information such as bank & card details. All this is taken care of by database management systems.

I have mentioned very few applications, this list is never going to end as almost every field where the database needs to be managed is using DBMS now a days. The traditional file system is used only where the data size is very small.

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About the Author

I have 15 years of experience in the IT industry, working with renowned multinational corporations. Additionally, I have dedicated over a decade to teaching, allowing me to refine my skills in delivering information in a simple and easily understandable manner.

– Chaitanya

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DBMS Tutorial

Basics

  • DBMS Tutorial
  • DBMS Introduction
  • Database Applications
  • DBMS vs File System
  • DBMS vs RDBMS
  • DBMS Architecture
  • Three-level DBMS architecture
  • View in DBMS
  • Abstraction
  • Instance & Schema
  • DBMS languages

Data Models

  • Data Models
  • ER Diagram
  • ER Design issues
  • Convert ER to table
  • DBMS Generalization
  • DBMS Specialization
  • DBMS Aggregration
  • Relational Model
  • Hierarchical Model
  • Constraints
  • Cardinality

Relational Database

  • RDBMS concepts
  • Relational Algebra
  • Relational Calculus
  • Keys Index
  • Primary Key
  • Super Key
  • Candidate Key
  • Foreign Key
  • Composite Key
  • Alternate Key

Normalization

  • Normalization
  • Functional dependency

Transaction Management

  • Transaction Management
  • ACID properties
  • Transaction States
  • DBMS Schedules
  • Serializability
  • Conflict Serializability
  • View Serializability
  • Recoverability Of Schedule
  • Failure Classification
  • Log based Recovery
  • DBMS Checkpoint
  • Deadlock

Concurrency Control

  • Concurrency Control
  • Lock based protocol
  • Timestamp based protocol
  • Validation based protocol

File Organization

  • File Organization
  • Sequential File Organization
  • Heap File Organization
  • Hash File Organization
  • DBMS ISAM
  • B+ File Organization
  • Cluster File Organization

SQL Introduction

  • SQL Introduction
  • SQL Characteristics
  • Advantages of SQL
  • SQL Commands
  • SQL Operators
  • SQL CREATE
  • SQL DROP
  • SQL SELECT
  • SQL INSERT

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