Somos una empresa de compra-venta y cambio de vehículos nacionales y de importación.
Expression #1 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'automovi_hercules.coches.id' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by

SELECT * FROM coches WHERE estado = 'activo' Group by marca