Математические функции в SQL ( 9 мин.)

select
amount,
amount + 2,
amount - 3,
amount * 1.5,
amount / 3,
amount ^ 2,
amount % 4,
mod(amount,
4),
amount / 2,
div(amount,
2),
round(amount / 2,
1),
floor(amount / 2),
ceil(amount / 2)
from
public.payment;