Deals Of The Week - hours only!Up to 80% off on all courses and bundles.-Close

Wrap course as a gift

Prepare your gift and double-check it looks just right.

Form validation errors

Recipient's Name:
Recipient's Email:
Your Message (Optional):
Proceed to Checkout

GROUP BY Extensions in MS SQL Server

Introduction
Quiz
3. Question 1
The End

Instruction

Okay, let's start with something easy.

Exercise

Show the average distance driven for the following grouping combinations:

  1. Year, Month, and Day
  2. Year and Month
  3. Year
  4. None (general average)

In the query result, show the following columns: Year, Month, Day, and AvgDistance.

Stuck? Here's a hint!

A natural candidate for this query is: 

GROUP BY ROLLUP(Year, Month, Day)