There is a version using SQLite (compiled to JS using emscripten): http://sheetjs.com/sexql/sqljs.html http://sheetjs.com/sexql/sqljs.html However, the source

There is a version using SQLite (compiled to JS using emscripten): http://sheetjs.com/sexql/sqljs.html http://sheetjs.com/sexql/sqljs.html However, the source is about 2MB, so I thought it was preferable to use WebSQL on iPhone (and fall back to SQL.js when necessary)