I been using amplitude for a while for my Client Portal.
I used to set user Ids as the ID I had in the DB. We also have UUID in the DB and want to use that for user id.
How do I update all the existing User Ids with their UUIDs?
Question
Updating existing User IDs with a new values
+10Hi
If you create/update a new user ID for an existing user, Amplitude will recognize them as different unique users.
The alternate approach will be to reimport your event data with your new UUIDs into a new project.
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