Introduction to Data, Databases, and Database Management Systems

Overview

Video aims to introduce concepts of data, databases, and database management systems (DBMS).

Definition:
- Originates from the word "datum" meaning a single piece of information.
- Data is the plural form of datum.
Characteristics:
- Data can be facts related to any object.
- Examples: Name, age, height, weight.
Computer Data:
- Information processed or stored by a computer.
- Formats include:
  - Text documents
  - Images
  - Audio clips
  - Software programs
- Stored in files and folders on hard disk.
Binary Data:
- At the most basic level, computer data is represented in binary (ones and zeros).
- Allows for digital creation, processing, saving, and storage.
- Can be transferred via networks or media devices without deterioration.

Definition:
- A systematic collection of data that supports electronic storage and manipulation.
Purpose:
- Facilitates easy data management by organizing data into tables, rows, and columns.
- Provides a standardized access point for multiple users via software programs.
Functions:
- Stores, retrieves, and manages large amounts of information.
Examples of Databases in Use:
- Dynamic websites (e.g., hotel room availability checks).
- Online telephone directories for storing contacts.
- Utility providers managing billing and faults.
- Social media platforms like Facebook for managing user data and interactions.
Types of Databases:
- MySQL
- Sybase
- Oracle
- MongoDB
- Formix
- PostgreSQL
- SQL Server