Nor is it true that the implementation of a CMIS repository is based on a relational database (though many are).

而且CM IS知识库的实现也并非都基于关系数据库(虽然多数是如此)。

youdao

If you're coming from a relational database background and wish to learn more about MongoDB or are interested in it as an example of a NoSQL implementation, this is a great book.

如果你学习过关系模式数据库又希望学习更多关于MongoDB或者对一个无sql执行实例感兴趣，对你来说这是一本好书。

youdao

In your actual implementation, this field can be stored as part of the relational database table used by Portal Server for the user's preferences or it can be derived from some kind of logic.

在您的具体实现中，该字段可以被存储为Portal Server按用户喜好使用的关系数据库表的一部分，也可以从某种逻辑派生出来。

youdao