$ heroku pg:info -a zundan-mastodon
=== HEROKU_POSTGRESQL_ORANGE_URL, DATABASE_URL
Plan: Hobby-basic
Status: Available
Connections: 5/20
PG Version: 10.4
Created: 2017-12-16 18:16 UTC
Data Size: 2.91 GB
Tables: 48
Rows: 7587090/10000000 (In compliance, close to row limit)