Conditonal transfer of data from excel to sqlserve

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Conditonal transfer of data from excel to sqlserve

Author

Topic

satish.gorijala
Posting Yak Master

182 Posts

Posted - 2009-03-12 : 09:06:08

Hi, i want to transfer some data from excel file to sqlserver table through DTS package. But the problem is while i transfereing data, is there a way to avoid transfer of duplicates.

Ex: In sqlserver if table contains EmpNo as column and it contains 1,2,6,8 as data. While i transfering data from excel i dont want to transfer the data of empno which already exist in sqlserver.

G. Satish

SwePeso
Patron Saint of Lost Yaks

30421 Posts

Posted - 2009-03-12 : 09:10:22

You can add the LOOKUP dataflow and handle duplicate records there.

E 12°55'05.63"
N 56°04'39.26"

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2009-03-12 : 13:26:29

dump data from excel to staging table and use execute sql task with following query


INSERT INTO SQLTable
SELECT columns...
FROM StagingTable s
LEFT JOIN SQLTable t
ON s.EmpNo=t.EmpNo
WHERE t.EmpNo IS NULL

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