When Exceute package using ssis more than one time duplicate rows are inserted from excel to ado net destination

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I have transfer data from excel file to Ado net destination & it was transfer successfully when executing package 1st time. but when i am executing same package again same records inserted from excel to ADO Net Destination. how to avoid duplicate entries when package execute more than one time.Solution are always welcome.

Posted 9-Apr-13 4:08am

ravijain03

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ZurdoDev 9-Apr-13 10:23am

You check to see if the records already exist. Or, you truncate tables first. Somehow you have to figure it out.

bbirajdar 9-Apr-13 10:41am

truncate table before you begin insert

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