Structured vs. Semi-Structured vs. Unstructured Data

In this lesson, we'll uncover details about Structured, Semi-structured, and Unstructured Data. Specifically, Structured Data has a specific format while Unstructured Data lacks it. Semi-structured Data falls in between the two.

Structured Data

It comes with a predefined format and structure. Structured Data is usually stored in Relational Databases. It is easy to deal with in the Data Science domain.

Examples

  • Here’s a simple table with columns of diverse types. It can be stored in any Relational Database, Excel file, etc.
Sepal_length Sepal_width Petal_length Petal_width Species
5.1 3.5 1.4 0.2 setosa
4.9 3.0 1.4 0.2 versicolor
4.7 3.2 1.3 0.2 setosa
4.6 3.1 1.5 0.2 virginica

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