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7 replies

UPSERT using Apex Data Loader

Hi all
 
I have a query regarding UPSERT functionality of Apex Data Loader.I have a field value in Accounts where i want to change the value to NULL using UPSERT for all the existing records.But when i do that, the value still remains. Cant we update the value to NULL using UPSERT if there is any existing value??
 
Any help would be highly appreciable!!!
 
Thanks in Advance