该文档是介绍元数据管理工具的选型，对元数据管理的需求分析有较好的参考价值。-This document is to introduce the meta-data management tool selection, requirements for metadata management analysis has a good reference value.

通用数据库源代码读取开源项目，支持扩展数据库插件从而添加其他数据库的支持-Universal Database source code reads an open source project, supports the expansion of the plugin to add support for other s