数据类型不一致: 应为 NUMBER, 但却获得 INTERVAL DAY TO SECOND 将INTERVAL DAY TO SECOND类型转换为number的方法 select extract(day from (finished_date-received_date))*24+extract(hour from (finished_date-received_date))+round(extract(minute from (finished_date-received_date))/60,2),all_time fro...