You may want to skip over this posting. 

Unless you’re curious about some of the more obscure workload classification conventions used by TASM and TIWM.

If you are user DBC or user TDWM and you log onto a Teradata Database, you might get treated somewhat differently than other users.  This posting describes what user DBC and user TDWM do, some of the special things about them, and when you can expect them to get treated differently.   We’ll also look at any implications in setting up workload management for these two special users.