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Native XML DBMS
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Native XML DBMS's (sometimes abbreviated as NXD) are database management systems, whose internal data model corresponds to XML documents.

In contrast to XML-enabled DBMS's, which use for example a relational data model and are only capable of also storing data as XML documents, Native XML DBMS's use the full power of XML. They can represent hierarchical data, they understand embedded PCDATA declarations in XML elements, and they support XML-specific query languages ​​such as XPath, XQuery or XSLT.

Native XML DBMS do not necessarily store data as XML documents, they can use other formats for better efficiency.

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