2025-07-30 20:05:18 +0300 MSK

SELECT 
    sales_person.name
FROM (
    Orders orders
    JOIN 
        Company company
    ON 
        orders.com_id = company.com_id
        AND company.name = 'RED'
    RIGHT JOIN 
        SalesPerson sales_person
    ON 
        sales_person.sales_id = orders.sales_id
)
WHERE
    orders.sales_id IS NULL;