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SQL Tutorial for Beginners

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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:

SELECT MIN(year) FROM songs

              
1

            
SELECT MIN(year) FROM songs
copy

Now, let's select the price of the most expensive song of 21st century:

SELECT MAX(price) FROM songs
WHERE year > 2000

              
12

            
SELECT MAX(price) FROM songs
WHERE year > 2000
copy
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Find the price of the most expensive song.

Lösning

select max(price)
from songs

Var allt tydligt?

Hur kan vi förbättra det?

Tack för dina kommentarer!

Avsnitt 2. Kapitel 1
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