Видео с ютуба Aggregate Functions Based Sql Queries

Расширенные агрегатные функции в SQL (GROUP BY, HAVING и WHERE)

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

Lec-67: SQL Aggregate Functions - SUM, AVG(n), COUNT, MIN, MAX Functions | DBMS

Aggregate Functions in SQL

SQL Queries for Practice - Part 2 - SQL Queries based on Aggregate Function

Секрет оптимизации SQL-запросов — понимание порядка выполнения SQL

SQL Window Functions | Clearly Explained | PARTITION BY, ORDER BY, ROW_NUMBER, RANK, DENSE_RANK

Functions in MySQL are easy

SQL Window Function | How to write SQL Query using RANK, DENSE RANK, LEAD/LAG | SQL Queries Tutorial

SQL Aggregate Functions: What You Need to Know

21-Aggregate Functions in SQL | SUM | COUNT | AVG | MAX | MIN | Important Interview Query | COUNT(*)

SQL Tutorial: CASE WHEN with aggregate functions

Problem Solving with Aggregate Functions in SQL Server

SQL Interview Questions: Real-Time Scenarios & Aggregate Function Tips

Master the SQL SELECT statement part 06: Aggregate Functions, GROUP BY and HAVING clauses