Notes

1. All user types can log in more than once
   1. They can log in at multiple workstations
   2. They can have multiple ACME Editors open on their desktop (each with a different job)
2. Users can access multiple databases
   1. One ACME Editor can be connected to a local database, while another is connected to a remote database
   2. The "default" database is the last database the current user accessed from the current workstation