XUpdate is a lightweight

XML Extensible Markup Language (XML) is a markup language and file format for storing, transmitting, and reconstructing arbitrary data. It defines a set of rules for encoding documents in a format that is both human-readable and machine-readable. ...

query language Query languages, data query languages or database query languages (DQL) are computer languages used to make queries in databases and information systems. A well known example is the Structured Query Language (SQL). Types Broadly, query language ...

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 extension of the

W3C The World Wide Web Consortium (W3C) is the main international standards organization for the World Wide Web. Founded in 1994 and led by Tim Berners-Lee, the consortium is made up of member organizations that maintain full-time staff working t ...

standard,

XQuery XQuery (XML Query) is a query and functional programming language that queries and transforms collections of structured and unstructured data, usually in the form of XML, text and with vendor-specific extensions for other data formats (JSON, bi ...

External links

Last Working Draft, September 14, 2000

XQuery Update facility

O'Reilly article from 2005 summarising XUpdate development *

eXist eXist-db (or eXist for short) is an open source software project for NoSQL databases built on XML technology. It is classified as both a NoSQL document-oriented database system and a native XML database (and it provides support for XML, JSON, HT ...

supports XUpdate via it
XML-RPC API - XUpdateXML:DB API - XUpdate
and it
REST API - XUpdate

Apache XIndice
supports XUpdate * Sedna supports XUpdate via its XML:DB API XML-based standards {{compu-lang-stub