View difference between Paste ID: 2XaSqUZU and ZB2FcLXm
SHOW: | | - or go back to the newest paste.
1-
SELECT COUNT(*) - COUNT(fax)
1+
--Посчитайте среднюю стоимость заказов, оформленных в понедельник.
2-
FROM client;
2+
3
SELECT AVG(total)
4
FROM invoice
5
WHERE CAST(invoice_date AS timestamp) = DATE_TRUNC('week', CAST(invoice_date AS timestamp));