| Attribute and Type | Type | Description |
|---|---|---|
| TD_BUFFER_MODE | varchar | Indicates which type of Update method is used. Valid settings:
|
| TD_INSTANCE_NUM | integer | Specifies the instance number of the current instance.
|
| TD_LOG_TABLE | varchar | Provides the name of the restart log table for restart information. If the restart log table name is not fully qualified, it is created under the user’s default (logon) database. Alternately, a working database can be specified using the TD_WORKINGDATABASE attribute. If the TD_WORKINGDATABASE attribute is used, the restart log table name must be fully qualified, even if the restart log table is going to reside in the default (logon) database.
|
| TD_MAX_INSTANCES | integer | Specifies the total number of instances (main and workers). Required only when using multiple instances of the same driver in a main-worker environment. |
| TD_RESTARTMODE | integer | Required only before restarting and must be set to one. |
| TD_SYSTEM_OPERATOR | varchar | Specifies the type of driver being used (in this case TD_UPDATE). |
| TD_TARGET_TABLE | varchar | Provides the name of the update target table. |
| TD_USER_NAME | varchar | Provides the name of the user for the update driver logon sessions. |
| TD_USER_PASSWORD | varchar | Specifies the password associated with the user name. |