Xquery Tutorial

Xquery TutorialCraig KnoblockUniversity of Southern California„„„„„„„„„„ReferencesXQuery 1.0: An XML Query Language www.w3.org/TR/xquery/XML Query Use Cases www.w3.org/TR/xmlquery-use-casesXquery Interpreter:http://prometheus2.isi.edu:9001/xquery.htmlAdvice: Case mattersWrite your queries incrementally!It is hard to debug entire queriesExample XML Document: bib.xml StevensW. Addison-Wesley 65.95 65.95 Example XML Document: bib.xml AbiteboulSergeBunemanPeterSuciuDan Morgan Kaufmann Publishers 39.95 GerbargDarcy CITI Kluwer Academic Publishers 129.95 OOOOOODoes the world need a new query language?Most of the world's business data is stored in relational databases.The relational language SQL is mature and well-established. Can ...