Introduction to XQuery Tutorial

Introduction to XQueryPriscilla WalmsleyManaging Director, Datypichttp://www.datypic.compwalmsley@datypic.com1About this course...• These slides are for a one-day tutorial offered by Priscilla Walmsley at various industry conferences.• If you are interested in having Priscilla present this tutorial, or a longer XQuery course, to your group, please contact her at pwalmsley@datypic.com. • The slides were last updated on June 21, 2006 and are up to date with the June 2006 CR draft of XQuery.© 2004 - 2006 Datypic http://www.datypic.com Slide 2Schedule• Morning Session– XQuery in Context– The Data Model– XQuery Syntax and Expressions• Afternoon Session– Advanced Queries (Sorting, Joining)– Functions and Modules– Types– Schemas© 2004 - 2006 Datypic http://www.datypic.com Slide 3XQuery in Context4What is XQuery?• A query language that allows you to:– select elements/attributes from input documents– join data from multiple input documents– make modifications to the data– calculate new data – add new elements/attributes to the results– sort your results© 2004 - 2006 Datypic http://www.datypic.com Slide 5XQuery Exampleinput document