कॉलम अधिकतम मान के आधार पर रिकॉर्ड प्राप्त करें

कोशिश करें

    select cars.* FROM cars
    INNER JOIN (
        select country, max(price) AS maxprice from cars 
        GROUP BY country
    ) m
    ON cars.country = m.country AND cars.price = m.maxprice