而为什么关系数据库模式中心(6)和那么多其他数据库相关的插件被激活了？

So why were the relational database schema center (6) and so many other database-related plug-ins activated?

youdao

尽管大多数关系数据库厂商都提供了相关工具，但是映射过程非常繁琐。

The mapping process is cumbersome, even though most relational database vendors provide tools for it.

youdao

这意味着相关文档的所有数据都储存在该文档中—而不是关系数据库的关系表中。

This means that all of the data for the document in question is stored in the document itself - not in a related table as it would be in a relational database.

youdao