SQL Group By: An Explanation and How To Use It

Group By + Order By in MySQL | Beginner MySQL Series

SQL Basics Tutorial For Beginners | Group By + Order By Statements | 4/4

14. Aggregate Function IN SQL | sql tutorial

SQL Aggregate Functions: What You Need to Know

Mastering Aggregate Functions in SQL - Count and Sum Explained

COUNT, SUM, AVG, MIN, MAX (SQL) - Aggregating Data

SQL Summarizing Data with COUNT, SUM, AVG, MIN, and MAX Functions

Basic Aggregate Functions in SQL (COUNT, SUM, AVG, MAX, and MIN)