PostgreSQL

PostgreSQL is the DBMS we use for both Squarehub & Sander, with the help of the "pg" gem.

If you've never done pure SQL queries and only worked with ORMs like ActiveRecord, it would greatly benefit you to learn more how those DBMS work and to be able to write pure SQL queries:

PostgreSQL TutorialNeon

Now that we've covered all of our stack, let's focus on our dev cycle.