要根据前面创建的XML的关系视图创建报告，输入下面的查询语句。
To create a report based on the relational view of the XML created previously, enter the following query statement.
准备语句相比普通查询来说要快很多，当然跟使用的数据库有关系。
Prepared statements can be significantly faster than regular queries depending on the database being used.
现在您应该能够使用下列语句创建具有分层或双向关系的所有类型的递归查询
You should now be able to create all kinds of recursive queries with either hierarchical or bi-directional relationships using
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