sql vybrat celý řádek max sloupec
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;
sql vyberte řádek s maximálním datem
SELECT t1.*
FROM employees t1
INNER JOIN (
SELECT id, max(job_start) AS job_start FROM employees GROUP BY id
) t2 ON t1.id = t2.id AND t1.job_start = t2.job_start;