Go Multi-Level
Explore how to combine joins, grouping, and filtering in SQL to work with multiple tables like real-world datasets. Learn to calculate average scores per student, group results by category, and filter grouped data using HAVING. This lesson helps you build practical skills in creating multi-level queries for dashboards and data analysis.
Now we’ll level up! You’ll combine joins, grouping, and filtering into Power Queries, the kind you’d use in real dashboards and apps.
Goal
You’ll aim to:
Join tables. ... ...