Accidentally overwriting user data row?
Accidentally overwriting user data row?
Isn't userID not unique? As told in this [question](https://community.q2developer.com/question/1579198571771596800/is-user-id-not-sufficient-for-the-unique-customer-identifier-when-using-the-aggregator). So if userID is not unique, does that mean in the picture below the currency preference for one user in a FI can accidentally be overwritten by another user in a different FI?

Isn't userID not unique? As told in this [question](https://community.q2developer.com/question/1579198571771596800/is-user-id-not-sufficient-for-the-unique-customer-identifier-when-using-the-aggregator). So if userID is not unique, does that mean in the picture below the currency preference for one user in a FI can accidentally be overwritten by another user in a different FI?
Same goes for say User table delete method only requires user_id? Does it delete all users with that user ID or is userID actually unique?

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Accidentally overwriting user data row?
Isn't userID not unique? As told in this [question](https://community.q2developer.com/question/1579198571771596800/is-user-id-not-sufficient-for-the-unique-customer-identifier-when-using-the-aggregator). So if userID is not unique, does that mean in the picture below the currency preference for one user in a FI can accidentally be overwritten by another user in a different FI?
Same goes for say User table delete method only requires user_id? Does it delete all users with that user ID or is userID actually unique?
