Код: Выделить всё
SELECT *
FROM customer c
LEFT JOIN customer_order co
ON c.customer_number = co.customer_number
AND co.order_status IN ('preparing', 'prepared')
WHERE c.customer_status='unpaid'
AND c.order_status = 'unserve'
AND co.cus_ord_no IS null
Подробнее здесь: https://stackoverflow.com/questions/534 ... -active-re
Мобильная версия