Aggregate Functions Courses
ExcelIsFun via YouTube Data Analysis Fundamentals - PivotTables, Power Query & Data Model
ExcelIsFun via YouTube Ctrl - Shift - Enter- Excel Array Formulas - Formulas to Extract Records With Criteria
ExcelIsFun via YouTube Ctrl - Shift - Enter - Excel Array Formulas - Review Formula Basics
ExcelIsFun via YouTube DB2 For Beginners
Udemy SQL Querying for Beginners Tutorial
Learnit Training via YouTube Learn SQL in 60 Minutes
Web Dev Simplified via YouTube BigQuery で学ぶ非エンジニアのための SQL データ分析入門
Udemy Aprende SQL desde cero: ¡Curso con mas de 50 ejercicios! 1
Udemy Additional Relational Algebra Operations
Neso Academy via YouTube