Learn database design, data modeling, normalization, indexing, and best practices for building scalable, high-performance applications.
Learn how to optimize Active Record queries in Rails with practical techniques to improve database performance and speed.
Discover 10 common Ruby on Rails performance bottlenecks and learn practical ways to speed up your application.
Learn how Active Record associations work in Ruby on Rails with practical examples of has_many, belongs_to, and more.
Learn the differences between includes, preload, and eager_load in Ruby on Rails to avoid N+1 queries and optimize performance.
Learn how to optimize SQLite for Rails 8 production with WAL mode, busy timeouts, Solid Queue, and database.yml best practices.
Learn to detect and fix Rails N+1 queries with real examples. Transform slow apps into fast ones with includes and eager loading.
