1. XML and Databases By Jared Foster

2. What is XML? Extensible Markup Language (XML) Similar to HTML XML is about 5 years old Allows information and services to be encoded with a meaningful structure that both computers and humans can understand.

3. Example Everyday Italian Giada De Laurentiis 2005 30.00 Harry Potter J K. Rowling 2005 29.99

4. Features of XML Databases The XML data model, is flexible enough to handle technical documentation, health care tracking, and customer profiles, full- text searches, and structured query languages like XQuery. XML databases are able to handle, more efficiently, large documents, as well as large numbers of documents.

5. Kinds of XML Databases Document-centric –Designed for human consumption –Articles –Manuals –Has a uniform structure Data-centric –Designed for computer consumption –Scientific data –Inventory information –Does not have a uniform structure

6. Oracle Oracle introduced XML capabilities in Oracle9i Release 2 –Allowed for the querying, retrieval, and management of XML data. In Oracle 10g Release 2 introduced XML indexing and more efficient querying tools. –XQuery –XMLIndex

7. XQuery Statement –doc("books.xml")/bookstore/book[price<30]

8. Everyday Italian Giada De Laurentiis 2005 30.00 Harry Potter J K. Rowling 2005 29.99

9. Result Harry Potter J K. Rowling 2005 29.99

10. References Lee, Geoff. May 2005. Oracle Database 10g Release 2 Technical Overview. http://www.oracle.com/technology/tech/xml/xmld b/Current/twp_xmldb_10gr2_tech_overview.pdf http://www.oracle.com/technology/tech/xml/xmld b/Current/twp_xmldb_10gr2_tech_overview.pdf Bourret, Ronald. September, 2005. XML and Databases. http://www.rpbourret.com/xml/XMLAndDatabase s.htm http://www.rpbourret.com/xml/XMLAndDatabase s.htm Refsnes Data. 2005. XQuery Example. http://www.w3schools.com/xquery/xquery_exam ple.asp http://www.w3schools.com/xquery/xquery_exam ple.asp

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