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The folks at CrunchyData created a playground for playing around with and learning PostgreSQL... right in the browser.

SQL Tricks for More Effective CRUD is one of dozens of the tutorials they have since published.

This is made possible via WASM. Crazy Idea to Postgres in the Browser goes into more details about how they pulled it off.

It seems like there is a lot of energy moving in this direction. When I search "postgres wasm", several of the results are about PGlite from ElectricSQL (which is building a sync engine, a play in the local-first space).

supabase released what they are calling database.build that connects you to a Postgres database in the browser and gives you AI tools for interacting with that database.

the in-browser Postgres sandbox with AI assistance. With database.build, you can instantly spin up an unlimited number of Postgres databases that run directly in your browser (and soon, deploy them to S3). Each database is paired with a large language model (LLM)...