XML Demystified

138
XML Demystifi ed
602498678299
U2
How to Dismantle an Atomic Bomb
Here’s what the XQuery writes to the output.html file, and Figure 9-4 shows the
result when it’s displayed in a browser.
Retrieving the Value of an Attribute
and the Attribute Name
When you use the @ symbol followed by the attribute name without calling the
data() function, an XQuery can return the name of the attribute, along with its value,
as we illustrate here:
{$cd/@upc}
Figure 9-4 Here’s how the UPC attribute appears when the output.html fi le is displayed
in a browser.