<syntaxhighlight lang="xquery">
copy $c := (db:preget('example')//entry)[1]
...
</syntaxhighlight>
<syntaxhighlight lang="xquery">
for $item in db:preget('data')//item
return $item update {
delete node text()
<syntaxhighlight lang="xquery">
db:preget('data')//item update {
delete node text()
}