Adding BigQuery Connection
Adding a New Database
Step 1: Generate the Service Account Key (JSON)
To obtain the required credentials, follow the instructions in the Google Cloud Documentation.
Step 2: Add a New BigQuery Connection
In the 'Manage Warehouses' section:
- Click on Add New, and select the type as BigQuery.
 - You will see a form. Upload your Service Account Key (JSON) file. The following fields will be auto-filled:
- Project ID
 - Private Key ID
 - Private Key
 - Client Email
 - Client ID
 - Client Cert URL
 
 - The Database Name will automatically be set to your Project ID and cannot be modified.
 
Step 3: Submit the Connection
- After uploading the JSON file and confirming the details, click Submit.
 - The connection will be validated, and your BigQuery database will be added.
 
Multi-Database Connections
For details on enabling and configuring support for multiple projects (multi-db), see:
Multi-Database Connections Overview