Contents

<frequent_bidder>
  {
    for $u in doc("users.xml")//user_tuple
    where 
      every $item in doc("items.xml")//item_tuple satisfies 
        some $b in doc("bids.xml")//bid_tuple satisfies 
          ($item/itemno = $b/itemno and $u/userid = $b/userid)
    return
        $u/name
  }
</frequent_bidder>

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
magic_xml-0.1.1	xquery_use_cases/rdb/q17.xquery
magic_xml-0.1.0	xquery_use_cases/rdb/q17.xquery