Robuta

https://simonwillison.net/2021/Jun/19/sqlite-utils-memory/ Joining CSV and JSON data with an in-memory SQLite database The new sqlite-utils memory command can import CSV and JSON data directly into an in-memory SQLite database, combine and query it using SQL and output the... joining csvjson datamemory https://simonwillison.net/2022/Jun/20/datasette-lite-csvs/ Joining CSV files in your browser using Datasette Lite I added a new feature to Datasette Lite—my version of Datasette that runs entirely in your browser using WebAssembly (previously): you can now use it to load... joining csvbrowser usingfiles