XUpdate

XUpdate is a non-standard term primarily encountered in the context of database management and XML processing, often referring to a proposed or actual mechanism for updating XML documents stored in a database. Unlike standardized update languages like XQuery Update Facility, "XUpdate" often implies a more specific, and sometimes proprietary, technology.

While the name suggests an update operation, the functionality and syntax associated with "XUpdate" can vary greatly depending on the specific vendor or technology using the term. It generally involves identifying elements or attributes within an XML document and performing operations such as insertion, deletion, replacement, or modification of their values.

Given its lack of standardization, understanding the exact meaning of "XUpdate" requires understanding the specific context in which it is used. It's crucial to consult the documentation or specifications provided by the database or software vendor employing the term. In many cases, implementations referred to as "XUpdate" predate or offer alternatives to the more widely adopted XQuery Update Facility. Therefore, newer database systems increasingly prefer XQuery Update Facility for XML data manipulation. The term itself is somewhat outdated and should be approached with caution, favoring standardized update mechanisms whenever possible.