TD2 is automatically set as the default mechanism on the database. If a session logon does not specify a mechanism the system uses TD2.
Users can specify an authentication mechanism, which overrides the default.
- In the logon string. See About Network Logons.
- As part of a job script, for example, when using Teradata Parallel Transporter.
- In a connection field, for example, when making a connection to the Vantage Advanced SQL Engine through an ODBC application.