4 ms·

That's what database-level user IDs are for. Don't push your technical requirements onto the user when it's not needed.

• jt2190 9y ago
  If someone uses their work email as a username, they loose their ID if they leave the job. Even worse, the employer may give the same email address to someone else.
  • felisml 9y ago
    If you're allowing emails as a credential reset mechanism, you've already got that problem.