Abstract：As the recommended standard of W3C(World Wide Web Consortium),XML has become the standard for the expression and exchange of the data in Web. Especially, as the rapid development of Web service in recent years, more and more XML data have been used for data exchange and storage. The number of XML documents exponentially growth. How to find a more effective way for XML data management becomes a serious problem. As the launch of Oracle Corporation Oracle XML DB technology, we study the three types of XML DB storage and XML storage,XML query and their update efficiency. By comparing the three types of storage management, it makes a reference for the selection of way to storage the XML.
