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File: Data.xml
<order>
<car model="A">
<id>0001</id>
</car>
<car model="B">
<id>0002</id>
</car>
<car model="B">
<id>0003</id>
</car>
<car model="C">
<id>0004</id>
</car>
</order>
File: Query.xquery
not(some $model in doc("Data.xml")//car/@model
satisfies ($model = "B"))
Output:
<?xml version="1.0" encoding="UTF-8"?>false
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