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Articles tagged with #ruby-on-rails
Before diving into different types of indexes, let's understand why indexes are needed. Imagine a library with 100,000 books. If someone asks for a book named "Clean Code", there are two ways to find
When working with associations in Rails, it's easy to accidentally introduce performance issues. One of the most common problems is the N+1 Query Problem. In this article, we'll understand what N+1 queries are, how they impact performance, and the differences between includes, preload, and eager_load.
