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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SQLite for prototypes, PostgreSQL for production!

Dev/Prototype: SQLite. No setup, instant, perfect for side projects. Prisma/Drizzle work great with it.

Production: PostgreSQL. More robust, handles concurrency better, better data integrity.

The cool thing is: start with SQLite, switch to PostgreSQL later (Supabase/Neon). Same syntax! 👍

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