Activerecord Articles

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9/7/2023 • EN

Explains the subtle but important difference between using combined and separate where.not clauses in Ruby on Rails ActiveRecord queries.

Activerecord Query Rail ruby Wherenot

1/10/2019 • EN

Identifies three common ActiveRecord usage mistakes in Rails that cause unnecessary SQL queries and slow down application performance.

Activerecord orm performance Rail sql

4/20/2011 • EN

A guide to displaying generated SQL queries in the Rails 3 console by configuring ActiveRecord's logger to output to STDOUT.

Activerecord Console debugging Ruby On Rails sql

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