xquery cover pageXQuery 3.0 (renamed from XQuery 1.1 to align with the family of "3.0" specifications) is a versatile markup language, capable of labeling the information content of diverse data sources including structured and semi-structured documents, relational databases, and object repositories. Important new features since XQuery 1.0 include: The "group by" clause, windowing ("tumbling window" and "sliding w
