Evaluation Order and Common Problems
Window functions and GROUP BY
13. More Practice Time!
Summary and Review


Good job! Let's do one more exercise before we move on.


Group the auctions by CategoryId and show the CategoryId and MaxAskingPrice for that category alongside the AvgMaxAskingPrice across all categories.

Stuck? Here's a hint!


AVG(MAX(AskingPrice)) OVER()

as the window function.