AI, Data Science & Cloud Certificates from Google, IBM & Meta
The Most Addictive Python and SQL Courses
Overview
Google, IBM & Meta Certificates – 40% Off
One Coursera Plus subscription covers most Professional Certificates on Coursera.
Unlock All Certificates
This talk explains Active Record associations by building custom belongs_to and has_many macros. It examines dynamic method definition, query result caching, CollectionProxy, and inverses that prevent N+1 queries.
Syllabus
RailsConf 2022 - Reflecting on Active Record Associations by Daniel Colson
Taught by
Ruby Central