What are some advanced features of Active Record?
An example of an AI chatbot conversation about advanced features of Active Record in Ruby on Rails.
What are some advanced features of Active Record?
Active Record offers several advanced features like scopes, callbacks, and eager loading to optimize database interactions.
Can you explain what scopes are?
Scopes are custom queries that you define in your model, allowing you to encapsulate common query logic.
How do callbacks work in Active Record?
Callbacks are methods that get called at certain points in the lifecycle of an Active Record object, like before or after saving.
What is eager loading and why is it important?
Eager loading is a way to load associated records in a single query, reducing the number of database calls and improving performance.
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