Ruby on Rails

Web application framework providing Active Record Migrations, a Ruby DSL for evolving database schemas over time.

Active Record feature for evolving database schemas over time using a Ruby DSL instead of raw SQL.

Guide to hooking into the Active Record object life cycle with callbacks.

Active Record Basics: Ruby on Rails Guides (v8.1.3.1) These are the new guides for Rails 8.1 based on v8.1.3.1 .

Active Job Basics: Ruby on Rails Guides (v8.1.3.1) These are the new guides for Rails 8.1 based on v8.1.3.1 .

Active Storage Overview: Ruby on Rails Guides (v8.1.3.1) These are the new guides for Rails 8.1 based on v8.1.3.1 .

Action Controller Overview: Ruby on Rails Guides (v8.1.3.1) These are the new guides for Rails 8.1 based on v8.1.3.1 .

Rails ORM layer that maps Ruby objects to relational database tables.

Ruby I18n gem shipped with Rails for translating and localizing applications.

Rails feature for validating Active Record objects before saving to the database.

Rails configuration for building API-only applications that serve JSON resources.

Active Record feature for declaring associations between Rails models.