User names forwarded to the database by outside authenticating agents are subject to Teradata Vantage object name format requirements, such as allowable characters and length limits, which otherwise are validated by the database. For example:
- For Single Sign-on or Sign-on As, Kerberos forwards a domain username to the database.
- After directory authentication, the authenticating agent may forward a directory username to the database for logging and auditing.
- A proxy user for a trusted session, if the proxy is not a permanent database user.
Be sure that object names that may be automatically forwarded to Teradata Vantage conform to object name size requirements. See Teradata Vantage™ - SQL Fundamentals, B035-1141.