SQLite compiled to JavaScript through Emscripten var db = SQL.open(); db.exec("CREATE TABLE my_table(a INTEGER, b INTEGER, c VARCHAR(100));"); db.exec("INSERT INTO my_table VALUES(1,13153,’thirteen thousand one hundred fifty three’);"); db.exec("INSERT INTO my_table VALUES(1,987,’some other number’);"); var data = db.exec("SELECT count(*) FROM my_table;"); sql.js demo → sql.js source (GitHub) →