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1·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。

2·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。

3·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。

4·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。

5·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。

6·Edit the XML Relational Mapping operator, deleting all column definitions except those required by the target table.

编辑XML Relational mapping操作符，删除目标表不需要的所有列定义。

7·Map the appropriate source columns from the XML Relational Mapping operator to the target columns of the table, as shown in Figure 22.

将来自xml Relational mapping操作符的适当的源列映射到该表的目标列，如图22所示。

8·This data flow simply reads the XML data from the source table and uses a single XML Relational Mapping operator to populate the target table directly, as shown in Figure 2.

这个数据流从源表中读取 XML 数据，然后使用一个 XML Relational Mapping 操作符直接填充目标表，见图 2。

9·Because XML columns cannot participate in Group By clauses, you need to define a second XML Relational Mapping operator (shown on the upper branch of Figure 1).

因为xml列不能参与group By子句，所以需要定义第二个XML Relational Mapping操作符(图1中上方的分支)。

10·XQuery does not have a special function or operator similar to the relational between predicate.

XQuery 没有类似于关系查询中 “between” 谓词的专用功能或操作符。