Database System
Introduction
A database system is a software system that allows you to define, create, maintain, and manipulate databases.
Components
- Database: A collection of related data.
- Database Management System (DBMS): Software that manages the database.
- Database Application: Software that interacts with the database.
DBMS Functions
- Data Definition: Defining the structure of the database.
- Data Manipulation: Inserting, updating, and deleting data.
- Data Querying: Retrieving specific data.
- Data Security: Controlling access to the database.
- Data Backup and Recovery: Ensuring data integrity and availability.
Types of Database Systems
- Relational Database Management System (RDBMS): Organizes data into tables.
- NoSQL Database: Designed for handling large amounts of unstructured or semi-structured data.
- Object-Oriented Database: Stores data in the form of objects.
Advantages
- Data Integration: Integrates data from multiple sources.
- Data Sharing: DBMS allows multiple users to access and share data.
- Data Security: Provides mechanisms for controlling access to data.
- Data Integrity: Ensures data consistency and accuracy.
Applications
- Business: Used in various industries for managing customer data, inventory, and financial transactions.
- Healthcare: Used for managing patient records and medical data.
- Education: Used for managing student records and academic data.
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