Data refers to raw and unorganized facts or symbols that represent quantities, conditions, or objects. It is often in the form of numbers, text, or symbols that lack context and meaning. Data by itself may not convey any specific information and needs to be processed to be meaningful.
Examples
100
blue,
A
10/25/2023
Data
Information
Information is processed and organized data that has context, relevance, and meaning. It results from interpreting and analyzing data to derive insights or draw conclusions.
Information is more structured and useful for decision-making or understanding a particular context.
Examples
The temperature is 100 degrees Celsius
The sky is blue
The grade is A
The event is scheduled for 10/25/2023
is data that has been organized or processed in a meaningful way.
Databases
A database is a structured collection of data that is organized and stored in a way that facilitates efficient retrieval, management, and updating of large volumes of data in a structured format.
Key database mechanisms:
INSERT - Adding data to a database
UPDATE - Altering data stored within a database
DELETE - Removing items from a database
SELECT - Querying the data within a database
What is a database system?
Information Systems
An information system is a broader concept that includes not only the database but also the software, hardware, people, and procedures involved in collecting, processing, storing, and disseminating information. They are designed to manage, process, and provide meaningful information to support decision-making and other organizational activities.
Components
databases
software applications
network infrastructure
human resources
Databases are often used as the foundational layer for information systems, providing a structured storage mechanism for data.
