Rails + Mysql + Postgres

Nine tips for Rails migration mastery

http://nelsonware.com/blog/2018/09/27/nine-tips-for-rails-migration-mastery.html

over 7 years ago

More on Postgres Performance - Craig Kerstiens

http://www.craigkerstiens.com/2013/01/10/more-on-postgres-performance/

almost 8 years ago

basecamp/marginalia: Attach comments to ActiveRecord's SQL queries

https://github.com/basecamp/marginalia

Attach comments to ActiveRecord's SQL queries

almost 8 years ago

Postgres tips for Rails developers

https://www.citusdata.com/blog/2017/04/28/postgres-tips-for-rails/

almost 8 years ago