You can add, configure, and delete database connections and JDBC data sources on the Control Panel > Big Data Discovery > Data Source Library page of Studio.
Deleting data connections
If you delete a data connection, the associated data sources also are deleted. Any data sets created from those data sources can no longer be refreshed once the connection has been deleted.
Creating a data source
When you create a data source, you specify a SQL query to select the data to include.
Editing a data source
Once a data source is created, you can change the data or edit it.