XQuery can be a challenging topic to teach. There is only enough time to cover
what it is, what it can do, and its basic syntax, but not in any depth. This
module leaves the detailed coverage of XQuery for later courses. Just as Course
1913A, Exchanging and Transforming Data Using XML and XSLT, is a fiveday
course on Extensible Stylesheet Language Transformations (XSLT), it is
possible to devote a full five-day course to XQuery after it is fully specified and
achieves W3C Recommendation status.