New Customer Acquisition per Month
Problem
**[Asked at Tiger Analytics]**
Count the number of **newly acquired customers per month**.
A customer is acquired in the month of their **first ever order**.
Return `acquisition_month` (YYYY-MM) and `new_customers`, ordered by month.
Tables
Example rows — the live problem includes the full dataset.
orders
| order_id | customer_id | order_date |
|---|
Expected output
Your answer should return 2 rows with the columns acquisition_month, new_customers.
Starter code (SQL)
SELECT *
FROM orders;Solve this SQL question free
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Solution & explanation
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