Activerecord Articles

Page 1 of 1 (5 articles)

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

3/7/2023 • EN

Techniques to identify, debug, and fix N+1 queries in Rails apps using tools like FactoryBot and rack-mini-profiler.

Activerecord Eager Loading N1 Queries performance Rail

1/10/2023 • EN

Explains how to break eager loading in Rails apps with SQL ORDER BY and how to fix N+1 issues.

Activerecord Eager Loading N1 Queries Rail Ruby On Rails

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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