Código SQL [-] UPDATE DRYBCUENF CF SET TOTAL = 0 WHERE EXISTS (SELECT C.PVENTA FROM DRYBCUEN C WHERE CF.PVENTA = C.PVENTA AND CF.SERIE = C.SERIE AND CF.FOLIO = C.FOLIO AND C.SUMA = 0 AND C.HORACIERRA IS NULL)
UPDATE DRYBCUENF CF SET TOTAL = 0 WHERE EXISTS (SELECT C.PVENTA FROM DRYBCUEN C WHERE CF.PVENTA = C.PVENTA AND CF.SERIE = C.SERIE AND CF.FOLIO = C.FOLIO AND C.SUMA = 0 AND C.HORACIERRA IS NULL)