Indexes on Rails: How to make the most of your Postgres database - Karol Galanciak - Ruby on Rails and Ember.js consultant 06-04-2021 Software Engineering https://karolgalanciak.com/blog/2018/08/19/indexes-on-rails-how-to-make-the-most-of-your-postgres-database Excellent advanced info on crating dB indexes, looking at query plans to understand performance. #database #postgres #scale #rails #index