Introduction XML:Extensible Markup Language Defined by the WW 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 Database System Concepts-5th Edition,Aug 22,2005. 10.3 ©Silberschat乜，Korth and SudarshanDatabase System Concepts - 5 10.3 ©Silberschatz, Korth and Sudarshan th Edition, Aug 22, 2005. 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