XQuery

XQuery is a powerful, flexible, and portable query language that enables developers to query and transform collections of structured and unstructured data, such as XML, JSON, and HTML. XQuery is an essential tool for working with the growing number of applications and data sources that use XML and JSON. XQuery is designed to be used by both developers and database administrators. Developers can use XQuery to query and transform data in a variety of ways, including: - retrieving data from multiple data sources and combining it into a single result - extracting specific elements or attributes from XML or JSON documents - converting XML or JSON documents into other formats, such as HTML - updating data in XML or JSON documents Database administrators can use XQuery to manage the data in their databases, including: - creating or modifying XML or JSON documents - converting XML or JSON documents into other formats, such as HTML - validating XML or JSON documents - managing the security of XML or JSON documents