How to pivot or unpivot

Question

4.00/5 (1 vote)

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SQL-Server-2014

Hi,
I just don't understanding pivoting and i need help on a simple query. My query gives me the results as fellows:

SQL

SELECT 
    'LuFt' AS [Source],
	SUM([SalesAmount1]) AS [Sales old],
	SUM([SalesAmount2]) AS [Sales new]
FROM [dbo].[tblSales]
 WHERE ([Source] IN ('LuFt')) AND [Planung] = 'kosten'

UNION

SELECT 
    'TGL' AS [Source],
	SUM([SalesAmount1]) AS [Sales old],
	SUM([SalesAmount2]) AS [Sales new]
FROM [dbo].[tblSales]
 WHERE ([Source] IN ('TGL')) AND [Planung] = 'kosten'

 UNION

SELECT 
    'BHW' AS [Source],
	SUM([SalesAmount1]) AS [Sales old],
	SUM([SalesAmount2]) AS [Sales new]
FROM [dbo].[tblSales]
 WHERE ([Source] IN ('BHW')) AND [Planung] = 'kosten'

  UNION

SELECT 
    'WM ' AS [Source],
	SUM([SalesAmount1]) AS [Sales old],
	SUM([SalesAmount2]) AS [Sales new]
FROM [dbo].[tblSales]
 WHERE ([Source] IN ('WM')) AND [Planung] = 'kosten'

Results:

[Source]      [Sales old]      [Sales new]
 Luft           10000            20000
 TGL            500              800
 BHW            1500             500
 WM             700              400

My Expectation using pivot:

[]          [Luft]   [TGL]  [BHW]  [WM]
Sales old    10000    500    1500   700
Sales new    20000    800    500    400

Posted 28-Apr-15 21:57pm

mikybrain1

Updated 28-Apr-15 22:58pm

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2 solutions

Solution 1

Read this: Dynamic Pivoting with Cubes and eventhandlers in SQL Server 2005, 2008 and 2008 R2[^].

Posted 29-Apr-15 0:15am

Herman<T>.Instance

Comments

Maciej Los 29-Apr-15 6:58am

+5!

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Maciej Los · Accepted Answer · 2015-04-29T00:58:00

Solution 2

Pivoting data is easy as... flail construction ;)

Have a look at my "translation" of your sql queries:

SQL

SELECT [DataDescription], [Luft], [TGL], [BHW], [WM]
FROM (
    SELECT 'Sales Old' AS DataDescription, [Source], [SalesAmount1] As MySales
    FROM [dbo].[tblSales]
    WHERE [Planung] = 'kosten'
    UNION ALL
    SELECT 'Sales New' AS DataDescription, [Source], [SalesAmount2] As MySales
    FROM [dbo].[tblSales]
    WHERE [Planung] = 'kosten'
) AS DT
PIVOT(SUM([MySales]) FOR [Source] IN([Luft], [TGL], [BHW], [WM])) AS PVT

Posted 29-Apr-15 0:58am

Maciej Los

Comments

mikybrain1 29-Apr-15 7:21am

Thnx dude like always. I did also solved it myself using CASE WHEN because it took u soooo long to answer hahahahaha. BUT anyway 'urs looks nicer.

I'm facing a defferent issue.

Maciej Los 29-Apr-15 7:27am

You're very welcome, Miky ;)

Sascha Lefèvre 29-Apr-15 8:35am

+5!

Maciej Los 29-Apr-15 8:47am

Thank you, Sascha ;)

Herman<T>.Instance 29-Apr-15 8:50am

my +5 too!

Maciej Los 29-Apr-15 8:51am

Thank you!