GROUP BY and HAVING Clause in SQL | SQL Tutorial for Beginners with Examples | nullCreds

Описание: 📂 Download the demo SQL scripts here: http://bit.ly/46tQLk3

🎉 Learn SQL GROUP BY and HAVING | SQL Tutorial for Beginners with Examples | nullCreds

In this video, you’ll learn how to use the GROUP BY clause and the HAVING clause in SQL with simple examples. These are powerful tools for summarizing data and applying conditions on grouped results.

✅ What you’ll learn in this tutorial:

What is SQL GROUP BY?

How to use aggregate functions with GROUP BY (COUNT, SUM, AVG, MIN, MAX)

How WHERE works before GROUP BY

Why HAVING is needed and how it works

Difference between WHERE and HAVING

Step-by-step examples with sample data

💻 Demo SQL scripts are available for download in the description so you can practice on your own.

⏱️ Timestamps

00:00 – Introduction
00:45 – What is GROUP BY?
02:00 – GROUP BY syntax
03:15 – GROUP BY example with Employees table
05:00 – Using WHERE with GROUP BY
07:00 – Introduction to HAVING
08:30 – Example: HAVING with COUNT()
10:00 – Wrap-up & key takeaways

📌 Watch more SQL tutorials here: [   • Learn SQL SELECT | SQL Tutorial for Beginn...  ]

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