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.
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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.
Løsning
Skift til skrivebord for at øve i den virkelige verdenFortsæt der, hvor du er, med en af nedenstående mulighederTak for dine kommentarer!
Awesome!
Completion rate improved to 4.17single
