mysql get the max value from a group of fields code example

Example 1: mysql select row with max value group by

SELECT t1.*
FROM employees t1
INNER JOIN (
    SELECT id, max(salary) AS salary FROM employees GROUP BY id
) t2 ON t1.id = t2.id AND t1.salary = t2.salary;

Example 2: mysql group by max value

-- MySql: First result only returned, so Person with max age in each Group
select * 
from (select * from mytable order by `Group`, age desc, Person) x
group by `Group`;