
我希望此SQL查询有帮助:
SELECt T.UID, CSTR(total_hours + INT(total_min / 60)) + ":" + CSTR(total_min Mod 60) as resultFROM (SELECt UID, SUM(HOUR(TH.time_elapsed)) AS total_hours, SUM(MINUTE(TH.time_elapsed)) AS total_min FROM trans_hist AS TH GROUP BY UID) AS T
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