Update: Minor correction in the last two rows of the table -- thanks to a comment by Michael Ludwig. I will talk about the efficiency of this and other related XPath expressions in my next post. In my first post I provided a compact one-liner XPath expression that obtains all duplicate items in a given…
Like most languages, XQuery has arithmetic operators and comparison operators, and because sequences of nodes are a fundamental datatype in XQuery, it is not surprising that XQuery also has node sequence operators.
The collection() and doc() functions are standard XQuery/XPath functions; whereas, xmldb:xcollection() and xmldb:document() are eXist-db-specific extensions.
XQDT provides support for editing, execution, and debugging of XQuery modules in Eclipse. Our goal is to have seamless integration with the Eclipse platform and the existing XQuery engines with a user experience consistent with both XQuery and Eclipse standards.
BaseX is a scalable and high-performance, yet very light-weight XML Database engine and XPath/XQuery Processor, supporting the latest W3C Update and Full Text Recommendations.
BaseX offers a powerful Client/Server Architecture to handle concurrent read and write operations of multiple users. A visual frontend features various hierarchic visualizations for exploring your data.
EXPath - Collaboratively Defining Open Standards for Portable XPath Extensions
ServletX ( www.expath.org ), a small web container for executing xslt, xproc, xquery, and such
X. Zhang, B. Pielech, и E. Rundesnteiner. Proceedings of the 4th international workshop on Web information and data management, стр. 15--22. New York, NY, USA, ACM, (2002)