You can add a connection to a Google BigQuery database using ThoughtSpot DataFlow.

Follow these steps:

1. Click Connections in the top navigation bar.

2. In the Connections interface, click Add connection in the top right corner.

3. In the Create Connection interface, select the Connection type.

4. After you select the Google BigQuery Connection type, the rest of the connection properties appear.

   Depending on your choice of authentication mechanism, you may use different properties.

   • Project id
     The identification number given to particular project and its always unique.
   • Authentication type
     It can be either Service Account or Access Tokens
   • Service account key/access Token
     Provide the Service Account key when authentication type is selected as Service account and token when access token is selected as authentication type.
   • Query priority
     Specify the time duration to run the query and it can be either Interactive or Batch.
   • Use proxy
     If required, to use a proxy, select the check box Use Proxy and provide the details
   • Host
     Specify the hostname or the IP address of the BigQuery system For proxy authentication only.
   • Port
     Specify the port associated to the BigQuery system For proxy authentication only.
   • Protocol
     It can be either http or https For proxy authentication only.
   • JDBC options
     Specify the options associated with the JDBC URL.

   See Connection properties for details, defaults, and examples.

5. Click Create connection.