What you would learn in Ruby on Rails Models and Associations course?
Ruby on Rails can speed up the creation of full-featured Web applications by utilizing powerful tools that offer an object-oriented interface for relational databases and automate everyday data-related tasks. In this course, you will expand your understanding of Ruby on Rails as instructor Kevin Skoglund covers the built-in attributes of models and associations in Rails. Learn how to use named scopes, validations, callbacks, and associations in a sample project. Learn how to create more efficient models using attributes not stored in databases and efficient queries. Explore the most effective validated methods built into the system and then learn to write your custom validations. Learn ways to trigger automated actions if data is saved into the database through callbacks. Learn how to make the most of the benefits of Active Record associations, investigate relationships between many-to-many and one-to-many, and discover how to create queries based on multiple tables.
- 1. Smarter Models
- 2. Data Validations
- 3. ActiveRecord Callbacks
- 4. ActiveRecord Associations
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