SELECT max(price) as MAX_PRICE
from product
SELECT *
from food_product
where price = (select max(price) from food_product)
SELECT datetime as "시간"
from animal_ins
where datetime = (select max(datetime) from animal_ins)
SELECT min(datetime) as 시간
from animal_ins
SELECT count(*)
from animal_ins
SELECT count( distinct(name) )
from animal_ins
where name is not null