數據類型不一致: 應爲 NUMBER, 但卻獲得 INTERVAL DAY TO SECOND

將INTERVAL DAY TO SECOND類型轉換爲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)

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