Feel free to explore the Alias Schema Properties on your own at a later point in time.

在以后适当的时候您可以自己自由对Alias Schema Properties进行探究。

youdao

This means that they are schema-free; no strict schema needs to be defined in advance of actually using the database.

这意味着它们是与模式无关的；不需要在实际使用数据库之前定义严格的模式。

youdao

What you need in these situations is a document-based, schema-free, ad-hoc database with a flat address space.

在这些情况下，您需要的是一个基于文档的、没有模式的、具有扁平地址空间的特别数据库。

youdao