Structured Data
ID | Name | Age | Grade
-----------------------------
1 | Alice Smith | 17 | A
-----------------------------
1 | Alice Smith | 17 | A
{"id": 3, "name": "Clara Wu", "age": 16, "grade": "A-"}
<student id="001">
<name>John Doe</name>
<grade>B+</grade>
</student>
<name>John Doe</name>
<grade>B+</grade>
</student>
Structured data is organized and formatted into rows and columns, or defined schemas like JSON, XML, CSV, or SQL tables. It follows a specific format that makes it easy to search, sort, and analyze.
Unstructured Data
"Today Clara Wu submitted her project. She did an excellent job..."
(Image file)
// This is a comment in code
function calculateGrade() {
return "A+";
}
function calculateGrade() {
return "A+";
}
Unstructured data is not organized into a predefined model. Examples include text documents, images, audio, video, social media posts, and even source code comments.