Temporary tables in sql server

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SQL-Server

Hi when to use temp tables in sql and please give me an example while updating and deleting

Posted 20-Mar-13 21:17pm

surendranew

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2 solutions

Solution 1

Does msdn site is closed? No.

See this: http://msdn.microsoft.com/en-us/library/ms175010%28v=sql.100%29.aspx[^] and this: http://msdn.microsoft.com/en-us/library/ms174979.aspx[^]
There you'll find interesting examples.

Posted 20-Mar-13 21:44pm

Maciej Los

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Gopinath_Rajan · Accepted Answer · 2013-03-20T21:47:00

SQL

DECLARE @WorkCode VARCHAR(25)
SET @WorkCode='61163201328'

IF OBJECT_ID('tempdb..#Temp') IS NOT NULL DROP TABLE #Temp

CREATE TABLE #Temp(WorkId VARCHAR(50),TLabourAmt decimal(18,2),TMaterialAmt decimal(18,2)
)

DELETE FROM #Temp

INSERT INTO #Temp SELECT WME.workID,ISNULL(SUM(WME.labourAmt_1),0),ISNULL(SUM(WME.materialAmt_1),0)
FROM dbo.nregs_worksMeasurement WME INNER JOIN dbo.nregs_worksMaster WM ON WM.workID=WME.workID
WHERE WM.measurementCount=1
GROUP BY WME.workID

INSERT INTO #Temp SELECT WME.workID,ISNULL(SUM(WME.labourAmt_1),0),ISNULL(SUM(WME.materialAmt_1),0)
FROM dbo.nregs_worksMeasurement WME INNER JOIN dbo.nregs_worksMaster WM ON WM.workID=WME.workID
WHERE WM.measurementCount=2 
GROUP BY WME.workID

INSERT INTO #Temp SELECT WME.workID,ISNULL(SUM(WME.labourAmt_1),0),ISNULL(SUM(WME.materialAmt_1),0)
FROM dbo.nregs_worksMeasurement WME INNER JOIN dbo.nregs_worksMaster WM ON WM.workID=WME.workID
WHERE WM.measurementCount=3 
GROUP BY WME.workID

INSERT INTO #Temp SELECT WME.workID,ISNULL(SUM(WME.labourAmt_1),0),ISNULL(SUM(WME.materialAmt_1),0)
FROM dbo.nregs_worksMeasurement WME INNER JOIN dbo.nregs_worksMaster WM ON WM.workID=WME.workID
WHERE WM.measurementCount=4 
GROUP BY WME.workID

SELECT * FROM #Temp order by WorkId

Here i am using temp table for inserting based on measurementCount