Aggregate Functions Courses
Codecademy Introduction to SQL
Pluralsight Teradata: Improving Analysis and Storage
LearnQuest via Coursera Use Built-in Functions in Snowflake
Pluralsight SQL for Non-Programmers
LinkedIn Learning Access 2021: Queries
LinkedIn Learning Data Analytics with Teradata
LearnQuest via Coursera Complete Microsoft SQL Server Masterclass:Beginner to Expert
Udemy Messing with MySQL - A Quick Tutorial on SQL Basics
Satish C J via YouTube Modern SQL - Lecture 2
CMU Database Group via YouTube