What are some popular Ruby ORMs and how do I choose one?
Some popular Ruby ORMs include ActiveRecord, Sequel, and DataMapper. ActiveRecord is the most widely used, especially with Rails.
What are the main differences between ActiveRecord and Sequel?
ActiveRecord is tightly integrated with Rails and follows convention over configuration, while Sequel offers more flexibility and a more powerful query interface.
Can you give me an example of how to use ActiveRecord?
Sure! To use ActiveRecord, you first define a model class that inherits from ActiveRecord::Base, then you can create, read, update, and delete records easily.
What are some best practices for using ORMs in Ruby?
Some best practices include keeping your queries simple, using eager loading to avoid N+1 queries, and leveraging validations and callbacks wisely.
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