DbSchema Google Big Query ER Diagram Designer

DbSchema is a Google Big Query ER diagram database designer and query tool. Using DbSchema, you can design and document Google Big Query databases while connected to the database server or without a connection.

Next, you can share the design with the team using Git. The design model loaded in DbSchema can be compared with the database, synchronization scripts can be generated, and the schema can be deployed to any database server.

Download DbSchema

How to Connect to Google Big Query Database

1. Access the Connection Dialog

   Choose "Connect to the database" or "New Model Connected to the Database" will let you select your database and open the Connection Dialog.

   DbSchema automatically downloads the JDBC driver to connect to your database.

2. Configure the Connection

In the Connection Dialog window, select the JDBC URL you want to connect with. If your database is running in the cloud, choose Edit Manually and insert the JDBC URL from the cloud console.

Enter the host name, the authentication details, select your database as described in the Connection Dialog page.

3. Troubleshoot Firewall Issues
If you encounter connection issues, it may be due to firewall settings. Read how to enable Firewall Connections.

Connect to a Google Big Query Server

Connecting to Google BigQuery you are requested first to create a Service Account and generate a Key file in JSON format. This can be done as described in Google Service Account Documentation.

• Create a Service Account for your project.
• Log in https://console.developers.google.com/iam-admin/serviceaccounts and select the project.
  
  
• On the service account page select 'Create Key' and export it as JSON.
  
  

In the Connection dialog you have to provide the project_id, the account email and the path to the saved json key file.