SÉLECTIONNER *
FROM table1 AS t1
LEFT JOIN table2 AS t2 ON t1.date_start > t2.date_start
--DML
CRÉER UNE TABLE SI NON EXISTANTE Employee (id int, salary int, departmentId int);
INSERT INTO Employee (id,salary,departmentId) VALUES (1, 70000, 1),(2, 94000, 1),(3, 85000, 1),(4, 80000, 2),(5, 60000, 2),(6, 62000, 3),(7, 90000, 3),(8, 94000, 3),(9, 94000, 3);
avec cte comme(
select *,
rank() over(partition by departmentId order by salary desc) as max_salary
from Employee
)
select *
from cte
where max_salary = 1
