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Description of Sample XML Schema
Suppose you want to define an XML Schema that defines book
, magazine
, and newsletter
elements. The type of each of these elements is PublicationType
. The XML Schema defines the PublicationType
complexType. An element that is a PublicationType
contains the following:
- The
genre
attribute specifies the style of the publication.
- There is always exactly one
title
element.
- The
subtitle
element is optional.
- There must be at least one
author
element and there can be more. Each author
element contains one first-name
element and one last-name
element.
- Of the following three elements, exactly one must always be present:
-
ISBNnumber
-
PUBnumber
-
LOCnumber
- The elements must be in the order specified in this list.