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Counter caches

Counter caches: Ruby on Rails: Get More From ActiveRecord
Counter caches: Ruby on Rails: Get More From ActiveRecord

Learn how to add a counter cache to an ActiveRecord class so that there is a database attribute that maintains the running count of child objects related to an object.

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Skill Level Intermediate
4h 27m
Duration
15,876
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Skills covered in this course
Developer Web Web Development Ruby on Rails

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