Phase 8 · ORMs & Query Builders
TopicsQuery Optimization
Part of the Backend Developer Roadmap.
Summary
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
- 1Deliberately trigger an N+1 query problem, then fix it with eager loading/includes.
- 2Log your ORM's generated SQL and review it for a real endpoint.
- 3Learn when dropping to a raw query is the right call for a performance-critical path.
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