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.
Questo esercizio fa parte del corso
Analyzing Business Data in SQL
Istruzioni dell'esercizio
- Select the month by truncating the order dates.
- Calculate MAU by counting the users for every month.
- Order by month in ascending order.
Esercizio pratico interattivo
Prova a risolvere questo esercizio completando il codice di esempio.
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;