We Ran One SQL Query… And Broke Production

📰 Dev.to · CI CD Samurai

Learn how a simple SQL query can bring down production and what steps to take to prevent it

intermediate Published 5 May 2026
Action Steps
  1. Run SQL queries in a staging environment before deploying to production
  2. Test queries with a small dataset to identify potential issues
  3. Use EXPLAIN and ANALYZE to understand query performance
  4. Implement query logging and monitoring to detect problems
  5. Configure alerts for long-running or resource-intensive queries
Who Needs to Know This

Developers, DevOps engineers, and database administrators can benefit from this lesson to improve their database management and testing skills

Key Insight

💡 Even small changes can have a big impact on production, so thorough testing and monitoring are crucial

Share This
🚨 A simple SQL query can bring down production! 🚨 Learn how to prevent this with proper testing and monitoring

Key Takeaways

Learn how a simple SQL query can bring down production and what steps to take to prevent it

Full Article

It wasn’t a big deployment. No major release. No infrastructure change. Just a simple SQL...
Read full article → ← Back to Reads