bigquery-configure-connection-profile
Connection Profile Name: Enter a name that uniquely identifies the external resource.
Namespace:.Select the namespace where the profile will be stored. All users who will use this profile must have READ and SELECT permissions on the namespace.
Endpoint Name: Select BigQuery.
Project ID: Specify the BigQuery project ID. See BigQuery Writer initial setup.
Billing Project ID: Optionally, specify a different BigQuery project to which the activity will be billed. See discussion in BigQuery Writer programmer's reference.
Service Account Key: Upload a service account key created as described in BigQuery Writer initial setup. For use with Database Reader or BigQuery initial load wizards, the service account must have the Big Query Read Session User role.
Private Service Connect Endpoint: Optionally, specify a Private Service Connect endpoint. See Using Private Service Connect with Google Cloud adapters. This property is ignored by Database Reader and Incremental Batch Reader.
Connection URL: This may be used if it is necessary to specify additional JDBC connection parameters for Database Reader or Incremental Batch Reader, otherwise leave blank. This property is ignored by BigQuery Writer.