MINimizing and MAXimizing some results
Calculating the minimum, maximum or average value from a data set are common tasks when working with databases. You may need to calculate the maximum or minimum salary within a department or the average weight of some people going to the gym.
In this exercise, you will find out the average cocoa percentage used by each company in their chocolate bars.
You will also calculate the minimum and maximum score received by each company during the voting process.
Latihan ini adalah bagian dari kursus
Functions for Manipulating Data in SQL Server
Latihan interaktif praktis
Cobalah latihan ini dengan menyelesaikan kode contoh berikut.
SELECT
company,
-- Calculate the average cocoa percent
___ AS avg_cocoa
FROM ratings
GROUP BY company;