{"podcast":{"title":"CyberCode Academy","slug":"cybercode-academy-7578615","podcast_index_feed_id":7578615,"rss_url":"https://www.spreaker.com/show/6790974/episodes/feed","website_url":"https://www.spreaker.com/podcast/cybercode-academy--6790974","image_url":"https://d3wo5wojvuv7l.cloudfront.net/t_rss_itunes_square_1400/images.spreaker.com/original/5f51ccc7b22fdba95149ffa6346f1533.jpg","author":"CyberCode Academy","episode_count":297,"summary":"Welcome to CyberCode Academy — your audio classroom for Programming and Cybersecurity. 🎧 Each course is divided into a series of short, focused episodes that take you from beginner to advanced level — one lesson at a time. From Python and web development to ethical hacking and digital defense, our content transforms complex concepts into simple, engaging audio learning. Study anywhere, anytime — and level up your skills with CyberCode Academy. 🚀 Learn. Code. Secure. You can listen and download our episodes for free on more than 10 different platforms: https://linktr.ee/cybercode_academy","last_synced_at":"2026-07-13T14:17:20.596630+00:00","page_url":"https://stenobird.com/podcast/cybercode-academy-7578615"},"episode":{"title":"Course 37 - Building Web Apps with Ruby On Rails | Episode 4: Mastering Data Modeling and Resource Relationships in Rails","slug":"course-37-building-web-apps-with-ruby-on-rails-episode-4-mastering-data-modeling-and-resource-relationships-in-rails","published_at":"2026-06-17T06:00:02+00:00","page_url":"https://stenobird.com/podcast/cybercode-academy-7578615/course-37-building-web-apps-with-ruby-on-rails-episode-4-mastering-data-modeling-and-resource-relationships-in-rails","show_page_url":"https://stenobird.com/podcast/cybercode-academy-7578615","url":"https://www.spreaker.com/episode/course-37-building-web-apps-with-ruby-on-rails-episode-4-mastering-data-modeling-and-resource-relationships-in-rails--72405382","audio_url":"https://dts.podtrac.com/redirect.mp3/api.spreaker.com/download/episode/72405382/relational_stock_data_modeling_in_rails.mp3","summary":"In this lesson, you’ll learn about: data modeling and resource management in Ruby on Rails, from conceptual design to real-world implementation and testing1. Conceptual Data Modeling🔹 Core concepts: Entities → represent real-world objects (e.g., Company, Stock) Attributes → properties of entities (name, price, symbol) Data types → string, integer, decimal, etc. 🔹 Key elements: Primary Key (ID) → unique identifier for each record Foreign Key → links one entity to another 👉 Key Insight A well-designed data model is the foundation of any scalable application2. Designing Relationships🔹 Relationship types: One-to-Many (most common in Rails apps) 🔹 Example: A Company has many stock prices A Stock Price belongs to a company 👉 Key Insight Relationships define how data connects and interacts across the system3. Implementing Models in RailsUsing Ruby on Rails:🔹 Command: rails generate model Company name:string rails generate model StockPrice price:decimal company:references 🔹 What happens: Model files are created Migration files are generated Database schema is defined 👉 Key Insight Rails automates database structure creation through generators4. Database Migrations🔹 Command: rails db:migrate 🔹 Purpose: Apply structural changes to the database 👉 Key Insight Migrations allow you to evolve your database safely over time5. Active Record (ORM)🔹 Concept: Maps Ruby classes to database tables 🔹 Mapping: Class → Table Object → Row (record) 🔹 Example: Company model ↔ companies table 👉 Key Insight ORM removes the need to write raw SQL for most operations6. Defining Associations🔹 In models:class Company < ApplicationRecord has_many :stock_prices end class StockPrice < ApplicationRecord belongs_to :company end 👉 Key Insight Associations enable powerful and intuitive data access in Rai…","meta_description":"In this lesson, you’ll learn about: data modeling and resource management in Ruby on Rails, from conceptual design to real-world implementation and testin…","key_points":[],"chapters":[],"topics":[],"duration_seconds":1324,"processing_state":"not_requested","actions":[{"name":"request_transcript","method":"POST","url":"https://stenobird.com/v1/public/podcasts/cybercode-academy-7578615/episodes/course-37-building-web-apps-with-ruby-on-rails-episode-4-mastering-data-modeling-and-resource-relationships-in-rails/transcription-requests","description":"Idempotently request low-priority transcript generation for this episode."},{"name":"read_markdown","method":"GET","url":"https://stenobird.com/podcast/cybercode-academy-7578615/course-37-building-web-apps-with-ruby-on-rails-episode-4-mastering-data-modeling-and-resource-relationships-in-rails.md","description":"Read the agent-friendly Markdown representation of this episode resource."}]}}