$ heroku pg:info
=== DATABASE_URL, PG_HOBBY_BASIC_URL
Plan: Hobby-basic
Status: Available
Connections: 6/20
PG Version: 9.6.1
Created: 2017-04-20 18:31 UTC
Data Size: 257.6 MB
Tables: 35
Rows: 593534/10000000 (In compliance)