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。

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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。

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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。

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