Stop 08 · ORMs & Query BuildersTopics · 9/10

Query Optimization

Part of the Backend Developer Roadmap

In short

Identifying and fixing slow ORM-generated queries — often caused by the classic 'N+1 query problem' where an ORM issues far more queries than necessary.

How to learn this

  1. 1Deliberately trigger an N+1 query problem, then fix it with eager loading/includes.
  2. 2Log your ORM's generated SQL and review it for a real endpoint.
  3. 3Learn when dropping to a raw query is the right call for a performance-critical path.

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