Keep SQLtest alive: Help cover this month's $100 server costs to keep all lessons and the SQL playground online. Support the project →
SQL code copied to buffer
Task 3:

Average Revenue per Store

MySQL
Calculate the average revenue generated by each paying client at each rental store. 
Display the result in two columns: store_id and avg_customer_payment.
Round the average to two decimal places and sort the results by store_id.
Expected result Columns: 2 · Rows: 2
store_id avg_customer_payment

Write your query below and click "Check it!". Tables are described in the right pane.

Tutorial
The query result will appear here. Ctrl+Enter - Run query