☁️ Cloud & Databases

Open Source Databases Compared: PostgreSQL, MySQL, SQLite, and CockroachDB

A thorough comparison of four major open source databases covering architecture, performance, scalability, and the specific use cases where each one excels.

⚡ Key Takeaways

  • {'point': 'PostgreSQL Is the Safest Default', 'detail': "For most new projects, PostgreSQL's combination of advanced features, extensibility, standards compliance, and ecosystem makes it the recommended starting point."} 𝕏
  • {'point': 'SQLite Is Not Just for Testing', 'detail': 'With over 100 million lines of test code and deployment on billions of devices, SQLite is a production-grade database for embedded, mobile, and edge use cases.'} 𝕏
  • {'point': 'Distributed SQL Solves Specific Problems', 'detail': 'CockroachDB adds complexity but solves genuine challenges around global distribution, horizontal scaling, and automatic failover that single-node databases cannot address.'} 𝕏
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