For some data sources you can skip data preview.
To skip data preview
Open TD Console.
Navigate to Integrations Hub > Sources.
Select the connection for which you want to preview the data.
Select the ellipsis.
Edit or define data collection information.
Select Next to get to Data Preview.
Select the Skip this step link.
The Data Placement page displays.
Optionally, edit or define Storage or Schedule information.
Select Save & Run Now or Save.