How do I perform complex queries using Active Record?
An example of an AI chatbot conversation about Active Record querying techniques.
How do I perform complex queries using Active Record?
You can use methods like where, joins, and includes to build complex queries in Active Record.
Can you give me an example of using joins in a query?
Sure! You can use User.joins(:posts).where(posts: { published: true }) to find users with published posts.
What about using includes for eager loading?
You can use User.includes(:posts).where(posts: { published: true }) to load users and their published posts in one query.
How can I chain multiple conditions in a query?
You can chain conditions using where like this: User.where(active: true).where('age > ?', 18).
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