Скачать или смотреть SQL Basic Lesson 1.5: Group by and Order by Clause

Master GROUP BY & ORDER BY in SQL — Complete Beginner Tutorial

Welcome to today’s SQL lesson!
In this video, you’ll learn how to use GROUP BY and ORDER BY to summarise, organise, and extract clear insights from your data like a pro.

🔍 What You’ll Learn

What the GROUP BY statement does

How to aggregate data using SUM, COUNT, AVG, and more

How ORDER BY helps you sort your results

Real-world examples you can apply immediately

Best practices every data analyst should know

💡 Why This Matters

GROUP BY and ORDER BY are essential if you want to:

Analyse sales data

Identify trends

Build dashboards

Clean and prepare datasets efficiently

Prepare for SQL interviews
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❓ Question for You

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