Обсуждение: query results in XML format?

Hello,

Can someone suggestion some tutorial/hyperlinks/docs about how 
postgresql output query results into xml files?

Thanks a lot!

Emi Lu wrote:
> Can someone suggestion some tutorial/hyperlinks/docs about how
> postgresql output query results into xml files?

http://www.postgresql.org/docs/8.3/static/functions-xml.html#FUNCTIONS-XML-MAPPING