XML TutorialLesson 15Free preview

XML XQuery

This lesson is part of XML · All levels

Summary

XQuery is a query language for extracting and manipulating data from a set of XML documents, similar to SQL for relational databases. XQuery uses the FLWOR expression (for, let, where, order by, return) to select, filter, sort, and form results. It's very powerful for questioning large-scale XML collections.

Key points

XQuery is used to query and extract XML data
The FLWOR expression is the core of XQuery writing
XQuery supports filtering, sequencing, and result formation
XQuery uses the syntax of expressions similar to XPath.
XQuery is capable of processing a large number of XML documents

Full lesson

Code examples and quizzes

Full lessons, code examples, and quizzes are available to subscribers. 5 questions.