XUpdate is a lightweight XML

XML

Extensible Markup Language is a set of rules for encoding documents in machine-readable form. It is defined in the XML 1.0 Specification produced by the W3C, and several other related specifications, all gratis open standards....

 query language

Query language

Query languages are computer languages used to make queries into databases and information systems.Broadly, query languages can be classified according to whether they are database query languages or information retrieval query languages...

 for modifying XML data. After some early enthusiastic development by a small team, the development of the standard faltered around the end of 2000 and it has never found widespread adoption. However, it has found a niche market of users not content to wait for the XQuery Update Facility

XQuery Update Facility

XQuery Update Facility is an extension to the XML Query language, XQuery. It provides expressions that can be used to make changes to instances of the XQuery 1.0 and XPath 2.0 Data Model....

 extension of the W3C standard, XQuery

XQuery

- Features :XQuery provides the means to extract and manipulate data from XML documents or any data source that can be viewed as XML, such as relational databases or office documents....

.

External links

• Last Working Draft, September 14, 2000
• XQuery Update facility
• XUpdate update O'Reilly article from 2005 summarising XUpdate development
• Apache XIndice supports XUpdate
• Sedna
  Sedna (database)
  Sedna is an open source database management system that provides native storage for XML data.The distinctive design decisions employed in Sedna are schema-based clustering storage strategy for XML data and memory management based on layered address space.- Data Organization :Data organization in...
  
  supports XUpdate via its XML:DB API