August 2011
Intermediate to advanced
416 pages
10h 14m
English
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XQuery Expressions
An XQuery can be as simple as a single XPath expression or as complicated as a query with functional calls, conditional processes, and XML result constructions. In general, XQuery syntax is a FLWOR (pronounced “flower”) expression. FLWOR stands for for, let, where, order by, and return:
For Iterates over a sequence of items, each of which could be XML nodes or atomic values.
Let Declares variables that can be sequences of XML nodes or atomic values.
Where Defines the conditions for filtering the result.
Order By Specifies ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.