Data Aggregation Courses
Udemy SQL HackerRank Challenge: Get Gold star & 670 points
Udemy PostgreSQL and MS SQL for Beginners
Udemy SQL Programming Basics
Udemy Excel Automation Using Python
Udemy Microsoft Access 基礎マスターコース【実務に活かせるデータ集計力が身に付く】
Udemy Counting Votes with Subqueries - Database Management Tutorial
Ben Awad via YouTube SQL/MySQL 零基础从入门到精通
Udemy PostgreSQL and Oracle SQL for beginners
Udemy Neo4j - Graph Database Crash Course
Laith Academy via YouTube