Hi,
        I presented one lecture on xquery and exist in my NLP Group, there were some questions which i coundnt answered after presantation. Can anyone tell me the answers of the following questions.
1) What is tuple in Xquery?
2) What is index driven search in Exist?
3) What is unit of indexintg(How indexing works and what we are indexing)?
4) Where i can find the output xml file after quering the database in exist?


Ronakkumar P Patel
Graduate Student(Computer Science)
University of Southern California
Email: ronak_patel@ieee.org
Phone: 213 804 1146(work)
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