SELECT [asignacion total 551].[Nro doc], [asignacion total 551].[Nombre Titular], [asignacion total 551].SumaDeImporte
FROM [asignacion total 551]
UNION ALL
SELECT [consumo 861].[Nro doc], [consumo 861].[Nombre Titular], [consumo 8611].SumaDeImporte
FROM [consumo 861]
UNION ALL
SELECT [cereo 352].[Nro doc], [cereo 352].[Nombre Titular], [cereo 352].Importe
FROM [cereo 352];

SELECT [asignacion total 551].[Nro doc], [asignacion total 551].[Nombre Titular], [asignacion total 551].SumaDeImporte
FROM [asignacion total 551]
ORDER BY [asignacion total 551].[Nro doc] DESC
UNION ALL
SELECT [consumo 861].[Nro doc], [consumo 861].[Nombre Titular], [consumo 861].SumaDeImporte
FROM [consumo 861]
UNION ALL
SELECT [cereo 352].[Nro doc], [cereo 352].[Nombre Titular], [cereo 352].Importe
FROM [cereo 352];