Customers who gave low ratings
Identify customers who were not satisfied with movies they watched on MovieNow. Report a list of customers with minimum rating smaller than 4.
Deze oefening maakt deel uit van de cursus
Data-Driven Decision Making in SQL
Praktische interactieve oefening
Probeer deze oefening eens door deze voorbeeldcode in te vullen.
-- Calculate the minimum rating of customer with ID 7
SELECT ___
___
___;