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In Brief: Sleepycat releases Berkeley DB XML 2.0 (InfoWorld) InfoWorld - Sleepycat Software this week announced the general availability of Berkeley DB XML 2.0, a major upgrade to its open source database for telecommunication infrastructure and enterprise data centers. This release adds support for XQuery 1.0, an emerging standard for XML data access, as well as improvements in performance and usability. Other enhancements include support for XPath 2.0, which allows the selection of a portion of an XML document, and support for the PHP API, which enables developers using the PHP scripting languages to work with XML documents. 