10 Things You Should Know About Databases - 'Enhancements to XML File Management' (
Page 2 of 11 )

Oracle Database 11g added among other things the ability to store
XML data as a binary data type and extended greater support for XQuery,
a proposed standard that allows users to extract information from an
XML file. IBM also updated its XML technology in DB2 9.5, adding a
standardized extension to XQuery that allows the user to modify, insert
or delete individual elements and attributes within an XML document.