Create parent child relationship using External Id and Upsert Operation in Salesforce Dataloader

the parent id you entered in excel file from where you got it?

Very helpful. Thank you

Ownerid field on custom objects do not get mapped as it is a lookup to (User, Group). Any workaround for this?

Great and clear explanation thanks

but how to do this between production and sandboc account?

I can't follow any of this.

External Id is a custom field in account?

Very helpful. Please make a video for adding attachments to salesforce using data loader. Thanks a lot.

very informative video, thanks bro

Salesforce needs to link to this directly.  Great job!

very helpful

awesome video.I did this before in order to achieve multilevel picklist but was not getting the trick.But this video refreshed my memory..... :)