Скачать или смотреть SQL Functions After GROUP BY Explained | COUNT, SUM, AVG, MIN, MAX | SQL Tutorial for Beginners

In this video, I explain the SQL aggregate functions used with the GROUP BY clause, including COUNT, SUM, AVG, MIN, and MAX.
You will learn how these functions work after GROUP BY to summarize, analyze, and aggregate data in real-world SQL queries.

This tutorial is ideal for beginners learning SQL, DBMS, and Data Analytics.

Topics Covered in This Video:

• Why functions are used after GROUP BY
• COUNT() – Count number of rows
• SUM() – Calculate total values
• AVG() – Find average values
• MIN() – Get minimum value
• MAX() – Get maximum value
• GROUP BY with aggregate functions
• Common mistakes and best practices
• Practical examples of aggregate queries

Who Should Watch This Video:

• SQL beginners and students
• Data analysts and backend developers
• Anyone preparing for SQL interviews
• Learners wanting to analyze grouped data

Why This Video Is Important:

Aggregate functions with GROUP BY are the foundation of data analysis and reporting in SQL. Mastering these functions helps you turn raw data into meaningful insights.