https://speakerdeck.com/dkoprov 2019-04-23 09:23:46 -0400 Best practices for working with ActiveRecord and DB in general and a basic how-to on queries optimisation. Best practices for working with ActiveRecord and DB in general and a basic how-to on queries optimisation. Sat, 20 Apr 2019 00:00:00 -0400 https://speakerdeck.com/dkoprov/working-with-data-in-rails-on-russian https://speakerdeck.com/dkoprov/working-with-data-in-rails-on-russian