SQL Min and Max
Aggregate Functions
There are functions in SQL that returns single line result among a group of the rows. These functions are called aggregate functions.
MIN() and MAX() functions return the minimum and maximum result from the query, and this is always a single line.
Let's find the release date of the oldest song in our table:
1SELECT MIN(year) FROM songs
Now, let's select the price of the most expensive song of 21st century:
12SELECT MAX(price) FROM songs WHERE year > 2000
Swipe to start coding
Find the price of the most expensive song.
Ratkaisu
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Aggregate Functions
There are functions in SQL that returns single line result among a group of the rows. These functions are called aggregate functions.
MIN() and MAX() functions return the minimum and maximum result from the query, and this is always a single line.
Let's find the release date of the oldest song in our table:
1SELECT MIN(year) FROM songs
Now, let's select the price of the most expensive song of 21st century:
12SELECT MAX(price) FROM songs WHERE year > 2000
Swipe to start coding
Find the price of the most expensive song.
Ratkaisu
Vaihda työpöytään todellista harjoitusta vartenJatka siitä, missä olet käyttämällä jotakin alla olevista vaihtoehdoistaKiitos palautteestasi!
Awesome!
Completion rate improved to 4.17single
