Getting Established as a User
Before logging on to the Teradata DBS, you normally need:
Your username is a unique identification (often your own name) that enables the Teradata DBS to recognize you as a user.
Your password is used to authenticate your username. It should be kept secret to prevent someone else from accessing data under your username.
In some cases, you may also need:
This identifier is associated with your username and is used for accounting purposes.
If your organization has a number of Teradata Database systems that are used through the client computer to which your terminal is attached, a tdpid identifies which of the Teradata Database systems you wish to use for your session. if there is a single Teradata DBS attached to the client computer, a tdpid is not needed.