• [] Recognize the connection between the primary key - foreign key relationship and ActiveRecord associations
• [] Implement a one to many association between two models
• [] Implement a one to one association between two models
• [] Read and understand documentation on ActiveRecord association methods

• RailsGuides on ActiveRecord
• RailsGuides on ActiveRecord Migrations
• RailsGuides for ActiveRecord Query Interface
• RailsGuides for ActiveRecord Associations
• Rails documentation (section on ActiveRecord)
• APIDock has_many
• APIDock belongs_to
• VSCode Sqlite Extension

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• Create Walk model and associated walks table
• open up ./bin/console and do create a couple of dogs.

1. Create an issues table with the following columns:

• title (string)
• description (string)
• resolved (boolean)
• started_at (datetime)
• computer (belongs_to)

2. In lib/issue.rb, create an Issue class that inherits from ActiveRecord::Base

3. Use an ActiveRecord association macro to create a relationship between an issue and a computer. Which type of relationship should you add here?

4. Enter ./bin/console and create a couple of issues for the first_computer. Use Sqlite Explorer to check your database to ensure the issues are created.

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• Finish adding the one-to-many relationship between Dog <== Walk

1. Update the Computer class to add an ActiveRecord association method that relates the Computer model to the Issue model.

2. Open up ./bin/console and use it to create an issue for a computer and then access that computer and view all of its issues. Confirm that you're able to call a method on either the issue or the computer and see the other object in the return value.

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