PostgreSQL vs MySQL vs SQLite – which DB for side projects

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Building another side project (who isn’t lol) and need to pick a database.

What I’m building: simple SaaS with users, posts, comments, basic analytics

My understanding:

  • PostgreSQL – Most powerful, bit complex
  • MySQL – Simpler, widely used
  • SQLite – For small stuff, no setup

Currently leaning towards Supabase (PostgreSQL) but plain MySQL seems easier?

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PostgreSQL all the way. Here’s why:

PostgreSQL – Most features, best performance, JSON support, row-level security. Free and open source. Used by everyone from startups to big tech.

MySQL – Simpler but less powerful. Good for simple read-heavy apps. MariaDB is the open-source alternative.

SQLite – Great for local dev, prototypes, small apps. No server needed!

For side projects: Start with Supabase (PostgreSQL). Easy setup, generous free tier, scales with you. 🔥

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