Скачать или смотреть Learn SQL SELECT DISTINCT | SQL Tutorial for Beginners | nullCreds

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🔹 In this beginner-friendly SQL tutorial, you’ll learn how to use the SELECT DISTINCT statement to remove duplicates and fetch unique values from your data.

✅ What you’ll learn in this video:

What the DISTINCT keyword does in SQL

How to retrieve unique values from a single column

Using DISTINCT with multiple columns

DISTINCT with ORDER BY

DISTINCT with aggregate functions like COUNT() and GROUP BY

Handling NULL values with DISTINCT

Performance tips and when to use DISTINCT

💻 Practical examples included with clear explanations and demos!

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