<ul><li>Strict Loading: An advanced feature in Ruby on Rails that raises an error when an association lazy-loads, helping to catch N + 1 problems during the coding phase.</li><li>Asynchronous Queries: Allows off-loading expensive SQL to a background pool while the request continues to execute.</li><li>Multi-Database Connection Switching & Sharding: Provides support for read-replica traffic and horizontal shards in Ruby on Rails.</li><li>Delegated Types: Offers an alternative to Single Table Inheritance (STI) and polymorphic associations in Rails models.</li></ul>

10 Advanced Ruby on Rails Features

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