SELECT orders.order_id, clients.name AS client_name, clients.phone, users.login, order_status.name, SUM(products.price * order_content.quantity) as order_price FROM orders, order_status, users, clients, products,order_content WHERE (orders.status_id = order_status.status_id) AND (users.user_id = orders.user_id) AND (clients.client_id = orders.client_id) AND (orders.order_id = order_content.order_id) AND(order_content.product_id = products.product_id) GROUP BY(orders.order_id)
выводит пустую таблицу
