Prova detta::
SELECT
ccm.id_model,group_concat(cm.tile, SEPARATOR ',')
FROM
car__car_model as ccm
inner join car_model cm on (cm.id = ccm.id_advice_model)
group by ccm.id_model
Prova detta::
SELECT
ccm.id_model,group_concat(cm.tile, SEPARATOR ',')
FROM
car__car_model as ccm
inner join car_model cm on (cm.id = ccm.id_advice_model)
group by ccm.id_model