Скачать или смотреть How to Use DISTINCT in SQL — Find Unique Records Fast!

Are you tired of seeing duplicate values in your SQL query results? In this video, we explore the DISTINCT keyword, a way to retrieve only unique values from your data.

You'll learn:
✅ What the DISTINCT keyword is and why it's useful
✅ How to use DISTINCT to find unique values in a column
✅ Practical examples, including:
• Retrieving all unique languages from a films table
• Listing all the different countries in your data
• Finding all distinct film certifications

Example queries covered:
SELECT DISTINCT language FROM films;
SELECT DISTINCT countries FROM films;
SELECT DISTINCT certification FROM films;

Whether you’re just starting out or brushing up on your SQL skills, this tutorial will help you write cleaner and more meaningful queries!

👉 Chapters:
00:00 What is the DISTINCT keyword?
01:00 Example: Unique languages in the films table
02:43 More practical examples

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