Surveying vehicle owners
Your market research team is interested in surveying vehicle owners to get a better understanding of their behavior. They'd like to be strategic about this and generate a well-represented sample. They'd like you to prepare 100 groups of vehicle owners, based on the amount each owner spent charging their vehicles. Give it a shot!
Den här övningen är en del av kursen
Window Functions in Snowflake
Interaktiv övning med praktiskt arbete
Testa den här övningen genom att slutföra den här exempelkoden.
SELECT
user_id,
charging_station_location,
charging_cost,
-- Break records into 100 equally-sized buckets based on
-- charging_cost
___(___) OVER(
ORDER BY ___
) AS survey_group
FROM ELECTRIC_VEHICLES.charging
-- Order by survey_group and charging_station_location
ORDER BY ___, ___;