With the correlation it operates more like a user-defined relational operator.

由于这一层关系，它操作起来更像是一个用户定义的关系操作符。

The previous example creates two dictionaries and uses them to test the < relational operator.

前面的示例创建两个 dictionary 并使用它们测试 < 关系操作符。

An operation can be a relational operator, a system - or user-defined function, or an SQL operator, such as GROUP BY, ORDER BY, and so on.

操作可以是一个关系运算符，或者系统或用户定义的函数，也可以是一个sql操作符，例如GROUP BY、ORDER BY等。

Like the existing relational index scan operator for relational indexes (IXSCAN), the XISCAN operator performs lookups or scans on XML indexes.

类似于现有的用于关系索引的关系索引扫描操作符(IXSCAN)，XISCAN操作符在xml索引上执行查找或扫描。

Complete the following steps to add the second XML Relational Mapping operator.

完成以下步骤，添加第二个XML Relational mapping操作符。