The XQuery data model recognizes seven types of nodes. Learn how to take advantage of the data model in XQuery expressions
by Srinivas Pandrangi,
Alex Cheng,
Dr. Hui Zhang,
QiDong Xu and
Jim Gan
October 21, 2002
ou can find a quick introduction to the XQuery language with examples of several kinds of XQuery expressions in Part I of this series. In this part you'll explore some basic XQuery concepts.
Data Model
XQuery's data model describes the values that occur in the evaluation of a query; the inputs, outputs and intermediate values that occur during the processing of a query are all instances of the data model. The XQuery data model contains these important categories of values:
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ou can find a quick introduction to the XQuery language with examples of several kinds of XQuery expressions in Part I of this series. In this part you'll explore some basic XQuery concepts.
