How to set add/edit data in automatically generated user_ex and user_sa tables

Ignition
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1

Hi,
Creating a userSource using the auto mode results in the tables depicted in the figure below:

Screenshot 2024-08-11 191142
Screenshot 2024-08-11 191142256×642 18.6 KB

  1. What is a simple way of modifying user_ex and user_sa tables
  2. The table named <auth_user_sa> seems to contain columns that help in tracking user activity. I'd like to know whether: start_date and end_date refer, respectively, to the time a user has been registered/deleted OR is it a daily tracking of when a user loggedin/out?