Hi Andrew, This XQuery Update approach actually does not alter any record – a copy-modify-return expression only modifies a copy and is hence a simple, not updating, expression (Paragraph 2.4.5 in the specification : ” A transform expression is a simple expression because it does not modify the value of any existing nodes.”) Kind regards, Ghislain On May 12, 2010, at 5:49 PM, Andrew Webster wrote: > Excellent. I’ll give this a try
Excerpt from:
How to have xquery act like a SQL UNION?
