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Databases Illuminated, 4th Edition
book

Databases Illuminated, 4th Edition

by Catherine M. Ricardo, Susan D. Urban, Karen C. Davis
March 2022
Intermediate to advanced content levelIntermediate to advanced
682 pages
22h 58m
English
Jones & Bartlett Learning
Content preview from Databases Illuminated, 4th Edition

13.4 Extensible Markup Language (XML)

XML uses tags within a document as a markup language to describe each node within a tree structure such as that of CUSTOMERLIST in Figure 13.1. An XML document can be a standalone document, meaning that there is no information external to the document that defines the markup language. Users can also explicitly define the markup language by writing a Document Type Definition (DTD) or by writing an XML Schema Definition (XSD). A DTD provides a way to define the grammar for specifying the structure of an XML document. An XSD also defines the grammar and, in addition, provides a way to define the format and integrity of the data.

Domain-specific DTDs have been developed for several fields. They allow seamless ...

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Publisher Resources

ISBN: 9781284231595