© 2002 by Prentice Hall 1 SI 654 Database Application Design Winter 2003 Dragomir R. Radev

© 2002 by Prentice Hall 2 XQuery

© 2002 by Prentice Hall 3 Background Successor to XML-QL, YAML, Lorel, Quilt Supported by the W3C Draft only

© 2002 by Prentice Hall 4 DTD

© 2002 by Prentice Hall 5 Sample database TCP/IP Illustrated Stevens W. Addison-Wesley Advanced Programming in the Unix environment Stevens W. Addison-Wesley Data on the Web Abiteboul Serge Buneman Peter Suciu Dan Morgan Kaufmann Publishers 39.95

© 2002 by Prentice Hall 6 Sample query { for $b in document(" where $b/publisher = "Addison-Wesley“ and > 1991 return { $b/title } }

© 2002 by Prentice Hall 7 Expected result TCP/IP Illustrated Advanced Programming in the Unix environment

© 2002 by Prentice Hall 8 Pointers and Demos cases/ case=XMP&example=Q1#Query s/XQueryTutorial.htm