Re: Why my Xquery always return an empty set?

> > for $StillRegion in /Mpeg7//StillRegion[Text&='tree']
>
> This will select all the StillRegions whose Text children contain the
> text 'tree'. However, I don't see any matching StillRegions in your
> example document.
> If you turn this into
> for $StillRegion in /Mpeg7//StillRegion[Text&='Sea']
>
> you should get one result with the supplied sample.
> Also make sure that the context collection of your query actually
> contains the documents you mean to search.

You will probably also have to declare the default Mpeg7 namespace for your 
query to work, .e.g.:

declare default element namespace "urn:mpeg:mpeg7:schema:2001";

for $StillRegion in /Mpeg7//StillRegion[Text&='tree']
return
        <result>
                {$StillRegion}
        </result>

Wolfgang


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