Tamino XQuery User Guide - Software AG Documentation

Query Examples
This section contains 9 examples.
You can also reduce the output of Tamino to the bare query result. See the section Suppressing
the Response Wrapper for details.
Explanation
Here, an element constructor creates the element fact. It contains the expression 3 + 6 that is enclosed
by braces. The arithmetic expression is evaluated and the constructed element is embedded into
the output document element returned by Tamino.
There are other constructors that you can use to create other types of nodes such as attribute nodes.
See AdditiveExpr and ElementConstructor in the Tamino XQuery Reference Guide for details.
Basic FLWOR Expressions
In this query we use the technique of constructing elements in a FLWOR expression:
Query
for $b in input()/bib/book
return $b/title
Result
It returns a list of all book titles:
TCP/IP Illustrated
Advanced Programming in the Unix environment
Data on the Web
The Economics of Technology and Content for Digital TV
Explanation
The basic form of a FLWOR expression (pronounced: "flower") is used here. You could very roughly
compare a FLWOR expression with the SQL expression SELECT - FROM - WHERE. The letters in FLWOR
stand for the XQuery keywords for, let, where, order by and return, two of which are used here.
Let us examine them more closely:
XQuery User Guide
9