PostgreSQL Performance: 10 Queries You're Writing Wrong (2026 Edition)
📰 Dev.to · Young Gao
Optimize PostgreSQL queries to achieve 10x-100x speedups by avoiding common anti-patterns
Action Steps
- Identify N+1 queries in your code and replace them with single queries
- Add missing indexes to columns used in WHERE and JOIN clauses
- Explicitly cast data types to avoid implicit type casts
- Use EXPLAIN and ANALYZE to analyze query performance
- Apply fixes to the 10 common query anti-patterns outlined in the article
Who Needs to Know This
Database administrators and developers can benefit from this knowledge to improve the performance of their PostgreSQL databases
Key Insight
💡 Avoiding N+1 queries, missing indexes, and implicit type casts can significantly improve PostgreSQL query performance
Share This
🚀 Speed up your PostgreSQL queries by avoiding common anti-patterns! 💡
Key Takeaways
Optimize PostgreSQL queries to achieve 10x-100x speedups by avoiding common anti-patterns
Full Article
10 PostgreSQL query anti-patterns I've seen in production code. Each fix can yield 10x-100x speedups. Covers N+1 queries, missing indexes, and implicit type casts.
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