Monthly active users (MAU)
Bob predicts that the investors won't be satisfied with only registrations by month. They will want to know how many users actually used Delivr as well. He's decided to include another line chart of Delivr's monthly active users (MAU); he's asked you to send him a table of monthly active users.
Deze oefening maakt deel uit van de cursus
Analyzing Business Data in SQL
Oefeninstructies
- Select the month by truncating the order dates.
- Calculate MAU by counting the users for every month.
- Order by month in ascending order.
Praktische interactieve oefening
Probeer deze oefening eens door deze voorbeeldcode in te vullen.
SELECT
-- Truncate the order date to the nearest month
___ :: DATE AS delivr_month,
-- Count the unique user IDs
___ AS mau
FROM orders
GROUP BY ___
-- Order by month
ORDER BY ___ ASC;