SELECT nombre_ara, valor_aal, total_caf, mes_caf, estado_caf
FROM cabecerafactura, detallefactura, aranceles, alumno, paralelo_alumno, detallearancel
WHERE cabecerafactura.serial_caf = detallefactura.serial_caf
AND detallefactura.serial_dar = detallearancel.serial_dar
AND detallearancel.serial_ara = aranceles.serial_ara
AND detallefactura.serial_alu = alumno.serial_alu
AND alumno.serial_alu = paralelo_alumno.serial_alu
AND paralelo_alumno.serial_paralu =2936
AND mes_caf =7