Each horizontal item that follows represents a call to DBCHCL with the function code set as in the left column.
|Connect/Fetch||Same as for a single session|
|Initiate Request (Session 1)||
Send Teradata SQL request to the Teradata Database.
Application must set address and length of Teradata SQL request and optional using data. Application must save the Output-CLIv2-request-number.
|Initiate Request (Session 2)||Same as for session 1, probably with different data|
|Fetch (Session 1 and 2)||Same as for a single session:
|End Request||Clean up request-related context (Stream 1 and 2)|
|Disconnect (for each session)||Log off from the Teradata Database and free the session-related control blocks|