但是，如果您的文档是纯数据，那么将该文档引入到关系型数据库中进行操作会更有意义。

If your document is pure data, however, it still makes more sense to bring it into a relational database for manipulation.

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在大多数情况下，XML文档到关系型数据的解析可通过串流方式完成，而无需太多内存且不管文档有多大。

In most cases, parsing XML documents to relational data can be done in a streaming fashion without requiring much memory and regardless of how big the document is.

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由于本文档重点关注关系型数据源，以下技术可用于dmr包，也可用于olap数据源。

Since this document is focused on relational sources, the following techniques imply DMR packages, but also apply to OLAP data sources.

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