This is PostgreSQL, running in a virtual machine inside the browser.

Use psql, the PostgreSQL command-line tool, to interact with the database.

Network

Use the Start button to establish a network connection between the vm and the internet. Once connected, your private proxy IP will be displayed along with a unique port for connecting to your PostgreSQL instance.

Connecting to PostgreSQL

Set up a password for the postgres user:
ALTER USER postgres WITH PASSWORD 'password';

Connect using the port provided in the status bar:
host: proxy.wasm.supabase.com
port: [port]
user: postgres
database: postgres
psql postgres://postgres@proxy.wasm.supabase.com:[port]