many-many relationship的意思|示意

The disadvantage of this schema is a slightly increased complexity with a many-to-many relationship between the fact table and the UCAT table.

这种模式的缺点是稍微增加了一点复杂性，事实表与U cat表之间存在多对多的关系。

This is called a one-to-many relationship: one airline can have many trips associated with it.

这称为一对多关系：一个航线能够与多个旅行关联。

Specifically, you'll create a many-to-many relationship and use Ajax to make the user experience natural and enjoyable.

具体来讲，将创建一个多对多关系，并通过Ajax使用户体验变得自然而有趣。

It can contain any kind of relationship, including subtyping and many-to-many relationships.

它可以包含任何种类的关系，包括图表类型和多到多的关系。

A book can have multiple authors, which means that there's a many-to-many relationship between the dw_books table and the dw_authors table.

一本书可能有多位作者，就是说dw_books和dw_authors表之间存在多对多的关系。

The OrderItems table is a link table in a many-to-many relationship between Orders and Products. As such, it does not represent an entity from the business model.

OrderItems表是多对多关系中Orders和Products的连接表，这样也不能代表对象模型中的一个实体。