SQL MAX()Functions
MAX() Function
The MAX() function returns the maximum value of the specified column.
SQL MAX() Syntax
SELECT MAX(column_name) FROM table_name;
Demo Database
In this tutorial, we will use the EXAMPLE sample database.
The following is the data from the "Websites" table:
+----+--------------+---------------------------+-------+---------+ | id | name | url | alexa | country | +----+--------------+---------------------------+-------+---------+ | 1 | Google | https://www.google.cm/ | 1 | USA | | 2 | 淘宝 | https://www.taobao.com/ | 13 | CN | | 3 | Example | http://www.example.com/ | 5000 | CN | | 4 | 微博 | http://weibo.com/ | 20 | CN | | 5 | Facebook | https://www.facebook.com/ | 3 | USA | | 6 | 百度 | https://www.baidu.com/ | 4 | CN | | 7 | stackoverflow | http://stackoverflow.com/ | 0 | IND | +----+---------------+---------------------------+-------+---------+
SQL MAX() Example
The following SQL statement retrieves the maximum value from the "alexa" column in the "Websites" table:
Example
SELECT MAX(alexa) AS max_alexa FROM Websites;
Executing the above SQL produces the following result:
