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Trocar linhas por colunas


ferreira12
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Boas, estou a fazer a seguinte query.

Select Marca,
case when XX = 'Vendas' then Valor else '' end Vendas,
case when XX = 'Devolucoes' then Valor else '' end Devolucoes
from (
select MArca,SUM(valor) as Valor, 'Vendas' as XX from tabela1
group by MarcaID
union
select Marca,SUM(valor) as Valor, 'Devolucoes' as XX from tabela2
)T

a seguinte query devolve a informação na seguinte posição:

MarcaID Vendas Devolucoes

-1 7 0,00

-1 0,00 3

No entanto eu desejava o seguinte:

MarcaID Vendas Devolucoes

-1 7 3

Como consigo ultrapassar este problema?

Edited by ferreira12
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Qual a versão do SQL Server que estás a usar?

Using SQL Server Management Studio

To view or change the compatibility level of a database


  1. After connecting to the appropriate instance of the SQL Server Database Engine, in Object Explorer, click the server name.

  2. Expand Databases, and, depending on the database, either select a user database or expand System Databases and select a system database.

  3. Right-click the database, and then click Properties.
    The Database Properties dialog box opens.

  4. In the Select a page pane, click Options.
    The current compatibility level is displayed in the Compatibility level list box.

  5. To change the compatibility level, select a different option from the list. The choices are SQL Server 2008 (100), SQL Server 2012 (110), or SQL Server 2014 (120).

Mais info aqui:

https://msdn.microsoft.com/en-us/library/bb933794.aspx

Pedro Martins

Sharing is Knowledge!

http://www.linkedin.com/in/rechousa

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Bem, podes sempre somar os valores das linhas. Serve?

SELECT
   Marca, SUM(Vendas) AS Vendas, SUM(Devolucoes) AS Devolucoes
FROM
(
   Select Marca,
   case when XX = 'Vendas' then Valor else '' end Vendas,
   case when XX = 'Devolucoes' then Valor else '' end Devolucoes
   from (
   select MArca,SUM(valor) as Valor, 'Vendas' as XX from tabela1
   group by MarcaID
   union
   select Marca,SUM(valor) as Valor, 'Devolucoes' as XX from tabela2
   )T
) T
   GROUP BY Marca;

Pedro Martins

Sharing is Knowledge!

http://www.linkedin.com/in/rechousa

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