Attribute Constructors

• List books published by Addison-Wesley after 1993, including their year and title:

  <bib>
   {
     FOR $b IN document("bib.xml")/bib/book
     WHERE $b/publisher = "Addison-Wesley" AND $b/@year > 1993
     RETURN
      <book year = { $b/@year }>
       { $b/title }
      </book>
   }
  </bib>
  

• This is not well-formed XML!

Adapted from XML Query Use Cases