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我有以下的XML,我用Xquerry來查詢一些使用Qexo的結果。如何僅查詢屬性等屬性?就像我想查詢每個作者的所有關係一樣?Qexo中的XML屬性查詢。
我可以做簡單的,但是這是非常棘手和din't得到任何在線參考......
<conference>
<paper>
<conferencename>VLDB</conferencename>
<year>2006</year>
<author affiliation="ASU"> K. Selçuk Candan</author>
<author affiliation="NEC America"> Wang-Pin Hsiung</author>
<author affiliation="Turn"> Songting Chen</author>
<author affiliation="NEC America"> Jun'ichi Tatemura</author>
<author affiliation="UCSB">Divyakant Agarwal</author>
<Article>AFilter: Adaptable XML Filtering with Prefix-Caching and Suffix-Clustering. 559-570
Electronic Edition (link) BibTeX </Article>
<place>Seoul, Korea</place>
</paper>
</conference>
剛剛返回的所有值,這是使用XQuery的。
for $x in doc("vldb.xml")/conference/paper
where $x/conferencename = "VLDB"
order by $x/Author
return
<x>
{ $x/Author, $x/Article, $x/conferencename, $x/year}
</x>