Users provide the following information when logging on from a workstation-attached client:
| Information | Description |
|---|---|
| .logmech | Specifies name of security mechanism that defines method by which user is authenticated and authorized. If mechanism is not specified, logon proceeds using designated default mechanism. |
| .logdata | Only for external authentication. Specifies username and password. Optionally specifies username, profile, or role where logon user has access to multiple user identities, profiles, or roles. |
| .logon | Required for Vantage authentication. May be used for external authentication except when logon requires specification of user=, profile=, or realm= to differentiate among multiple user identities, profiles, or realms. Specifies tdpid, username, password, and optional account string information. Format for username and password depends on user sign-on method.
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For more information on command-line logons, see Teradata Vantage™ - Analytics Database Security Administration, B035-1100.