(select user_id,count(user_id) from order_info where date > '2025-10-15' and product_name in ('C++','Java','Python') and status = 'completed' group by user_id having count(user_id) > 1), aa as (select client_id,count(b.client_id) cnt from a join order_info as b on a.user_id = b.user_id and dat...