Summary
In this chapter, you learned how to configure a REST API layer so that you can communicate with an RDBMS over the internet. You also learned how to communicate with InfluxDB over a REST API. Finally, you learned about MQTT and also configured an MQTT broker and Telegraf so that data sent over MQTT can end up in the database.
In the next chapter, we will discuss the various communication technologies that you can utilize to move data from your Arduino board into these databases.