Problem
Recently I needed to migrate opportunities from our legacy system into Salesforce. Being no stranger to the data loader, this is normally not a problem. The tricky part was that the opportunity needed to be linked to an external ID field on the account instead of the account ID, which cannot be accomplished with the [...]
Entries Tagged as 'data migration'
Batch find and replace Salesforce fields using Excel [Tips & Tricks]
August 6th, 2009 · 2 Comments · Tips & Tricks
Tags: data migration·excel·external id·formula·legacy system·multi-select·picklist
Data Utilities
December 10th, 2008 · 3 Comments · Certified Administrator
Describe the function of an External ID
Each object can have a maximum of 3 external ID fields.
The external ID can be a number, text, or email field.
An external ID can be used to prevent duplicate entries when importing data.
An external ID makes it much easier to update data in Salesforce from an [...]


