Best way to learn query optimization?

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  • bullet

    help to kill N+1 queries and unused eager loading

    You could add the bullet gem to your project. It can notify you (in a variety of ways) if your queries can be optimised.

  • Rails PG Extras

    Rails PostgreSQL database performance insights. Locks, index usage, buffer cache hit ratios, vacuum stats and more. is useful for identifying slow queries and generally things that could make queries slow.

  • SonarQube

    Static code analysis for 29 languages.. Your projects are multi-language. So is SonarQube analysis. Find Bugs, Vulnerabilities, Security Hotspots, and Code Smells so you can release quality code every time. Get started analyzing your projects today for free.

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