bunch of items (up to 300 in some cases) that have unitary price
(stored in a numeric(9,2) field), how many there are, and the total
price for each item. At the end of the table there is a total of all
The app is running on PHP and PG is the backend.
The question is, how do I get the total of everything?
Running it on PHP gives one value, doing a sum() on the backend gives
another, and I'm starting to notice that even using python as a
calculator gives me errors (big ones). Right now I'm doing the maths
by hand to find out who has the biggest error, or if any is 100%
select 'martin.marques' || '@' || 'gmail.com'
DBA, Programador, Administrador