ch10 - Database System Concepts Silberschatz, Korth and...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Database System Concepts Silberschatz, Korth and Sudarshan See www.db-book.com for conditions on re-use Chapter 10: XML Chapter 10: XML Silberschatz, Korth and Sudarshan 10.2 Database System Concepts - 5 th Edition, Aug 22, 2005. XML XML Structure of XML Data XML Document Schema Querying and Transformation Application Program Interfaces to XML Storage of XML Data XML Applications Silberschatz, Korth and Sudarshan 10.3 Database System Concepts - 5 th Edition, Aug 22, 2005. Introduction Introduction XML: Extensible Markup Language Defined by the WWW Consortium (W3C) Derived from SGML (Standard Generalized Markup Language), but simpler to use than SGML Documents have tags giving extra information about sections of the document E.g. <title> XML </title> <slide> Introduction </slide> Extensible , unlike HTML Users can add new tags, and separately specify how the tag should be handled for display Silberschatz, Korth and Sudarshan 10.4 Database System Concepts - 5 th Edition, Aug 22, 2005. XML Introduction (Cont.) XML Introduction (Cont.) The ability to specify new tags, and to create nested tag structures make XML a great way to exchange data , not just documents. Much of the use of XML has been in data exchange applications, not as a replacement for HTML Tags make data (relatively) self-documenting E.g. <bank> <account> <account_number> A-101 </account_number> <branch_name> Downtown </branch_name> <balance> 500 </balance> </account> <depositor> <account_number> A-101 </account_number> <customer_name> Johnson </customer_name> </depositor> </bank> Silberschatz, Korth and Sudarshan 10.5 Database System Concepts - 5 th Edition, Aug 22, 2005. XML: Motivation XML: Motivation Data interchange is critical in todays networked world Examples: Banking: funds transfer Order processing (especially inter-company orders) Scientific data Chemistry: ChemML, Genetics: BSML (Bio-Sequence Markup Language), Paper flow of information between organizations is being replaced by electronic flow of information Each application area has its own set of standards for representing information XML has become the basis for all new generation data interchange formats Silberschatz, Korth and Sudarshan...
View Full Document

This note was uploaded on 04/28/2010 for the course CSE cse123 taught by Professor Benny during the Spring '10 term at LSU Eunice.

Page1 / 59

ch10 - Database System Concepts Silberschatz, Korth and...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online