SQL分步操作
SELECT id,user_id,product_name,status,client_id,date FROM order_info WHERE -- 日期大于'2025-10-15' date > '2025-10-15' AND -- 状态为 completed status='completed' AND -- 课程名称 'C++','Java','Python' product_name IN('C++','Java','Python')
SELECT id,user_id,product_name,status,client_id,date FROM order_info WHERE -- 日期大于'2025-10-15' date > '2025-10-15' AND -- 状态为 completed status='completed' AND -- 课程名称 'C++','Java','Python' product_name IN('C++','Java','Python')