A DMV based example application which demonstrates how to use QLDB with the QLDB Driver for Node.js

This is an example implementation of a System of Record for a Classified Ads platform. This example follows an Event Sourcing and CQRS (Command Query Responsibility Segregation) pattern using Amazon QLDB as an immutable append-only event store and source of truth.

This solution prevents attackers from tampering with quality data by using Amazon Quantum Ledger Database (Amazon QLDB) to maintain an accurate history of data changes.

Amazon QLDB を使ったデータの挿入、更新、変更履歴の確認など基本的な機能の確認がUIでできるサンプルプロジェクトです。CSVアップロード/ダウンロード機能、削除されたデータの履歴の確認も可能です。