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Data Science Tutorials

Learn data science and AI with step-by-step tutorials on the DataCamp blog. Master Python, SQL, machine learning, and build your own AI agents.
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30 Cool Python Tricks For Better Code With Examples

We've curated 30 cool Python tricks you could use to improve your code and develop your Python skills.
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Kurtis Pykes

29 maja 2026

How to Use the COALESCE() Function in SQL (With Examples)

Learn how to use the SQL COALESCE() function to handle null values, combine columns, and clean up your data with real-world examples and tips.
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Travis Tang

27 marca 2025

COUNT() SQL FUNCTION

COUNT() lets you count the number of rows that match certain conditions. Learn how to use it in this tutorial.
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Travis Tang

12 grudnia 2024

DATEDIFF() SQL FUNCTION

DATEDIFF() is one of the most widely used date data manipulation functions in SQL. Master it by reading this tutorial.
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Travis Tang

6 grudnia 2024

FORMAT() SQL FUNCTION

FORMAT() is one of the most commonly used functions in SQL. Learn its main applications in this tutorial.
Travis Tang 's photo

Travis Tang

19 maja 2026

INSERT INTO SQL FUNCTION

INSERT INTO lets you add data to your tables. Learn how to use it in this tutorial.
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Travis Tang

12 października 2022

SQLAlchemy Tutorial With Examples

Learn to access and run SQL queries on all types of relational databases using Python objects.
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Abid Ali Awan

3 grudnia 2024

The 15 Basic Excel Formulas Everyone Needs to Know

Learn how to add arithmetic, string, time series, and complex formulas in Microsoft Excel.
Abid Ali Awan's photo

Abid Ali Awan

29 grudnia 2025

FastAPI Tutorial: An Introduction to Using FastAPI

Explore the FastAPI framework and discover how you can use it to create APIs in Python
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Moez Ali

26 września 2022

RStudio Tutorial: A Complete Beginner's Guide (2026)

A complete guide to getting started with RStudio: installation, interface, and key features for data science
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Elena Kosourova

7 kwietnia 2026