[Video 212] Pat Shaughnessy – Twenty Thousand Leagues Under ActiveRecord

What happens when, within a Ruby on Rails application, you use ActiveRecord to submit a query? In this talk, Pat Schaughnessy traces your query all the way through to the database (in this case, PostgreSQL), and demonstrates how much work Ruby and the database are doing. If you’ve ever wondered how much work happens when you invoke a single Ruby method, now you’ll have your answer.

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