If the CLI fails to update, uninstall it, and then reinstall it. Ensure that you don’t have the legacy Heroku Toolbelt or Heroku Ruby gem installed by using which heroku or where heroku (on Windows) to confirm what the heroku command points to. Some users must modify their PATH to ...
For more information about managing Heroku Postgres using the CLI, see Managing Heroku Postgres Using the CLI.Connecting to Heroku PostgresFor more information about connecting to Heroku Postgres, see Connecting to Heroku Postgres.To connect to a common runtime database from an external resource, ...