TL;DR: DuckDB-Wasm is an in-process analytical SQL database for the browser. It is powered by WebAssembly, speaks Arrow fluently, reads Parquet, CSV and JSON files backed by Filesystem APIs or HTTP requests and has been tested with Chrome, Firefox, Safari and Node.js. You can try it in your browser at shell.duckdb.org or on Observable. DuckDB-Wasm is fast! If you’re here for performance numbers, h
const initSqlJs = require('sql.js'); // or if you are in a browser: // const initSqlJs = window.initSqlJs; const SQL = await initSqlJs({ // Required to load the wasm binary asynchronously. Of course, you can host it wherever you want // You can omit locateFile completely when running in node locateFile: file => `https://sql.js.org/dist/${file}` }); // Create a database const db = new SQL.Database(
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