db2 for https://greasyfork.org/zh-CN/scripts/450603, to satisfy https://greasyfork.org/zh-CN/help/external-scripts
This script should not be not be installed directly. It is a library for other scripts to include with the meta directive // @require https://update.greasyfork.org/scripts/450618/1156639/db2%20for%20script%20450603.js
给 https://greasyfork.org/zh-CN/scripts/450603-显示greasyfork用户注册时间-识别恶意评论 引入外部数据用，避免外部数据可能频繁更新给上述脚本的用户带来困扰。
