Save up to $499! Grab all Python courses for $49 or all online courses we’ve ever launched for only $169. Only Feb 11-16. Happy Valentine's!
Introduction
Quiz
7. Nested CTE
Summary

Instruction

That's it! The next question is about nested CTEs.

Exercise

First, find the sum of hours spent by each employee on each project. Then, find the maximum number of hours spent by a single employee on each project. Finally, find the average maximal of hours among all these projects.