Understanding Scopes in Rails

Understanding Rails Scopes and Class Methods for Efficient Database Queries Scopes in Rails are special methods to run SQL queries that you can build in any rails model. A scope will always return an ActiveRecord::Relation object, even if the conditional evaluates to false , whereas a class meth...

Source: [Dev.to](https://dev.to/akladyous/understanding-scopes-in-rails-5g32)