|
Home > Online Product Documentation > Table of Contents > Aggregating Modifiers to Allow Any Order and Any Number in DTDs Aggregating Modifiers to Allow Any Order and Any Number in DTDsThe Choice modifier specifies that only one of the specified elements can appear in an instance document. However, if you specify the Zero or More modifier and then the Choice modifier, the result is that the specified elements can appear in any order and each element can appear any number of times. The text for such an element definition is as follows:
The tree representation is as follows:
This allows an
Furthermore, the contained elements can be in any order. |
SQL/XML Tutorial
Many developers need to be able to write applications that work for databases from multiple vendors. This SQL/XML Tutorial refers to SQL/XML, XQuery, and Native XML Programming Languages to do just that.
XML Editing Views
Stylus Studio includes three synchronized XML editing views: Text View, Tree View, and Grid View, allowing you to work with and edit XML documents in whatever way suits you best.
Using Relational Data in XML Applications
"Using Relational Data in XML Applications" By Dr. Michael Kay covers an overview of several common use cases and provides insight into the benefits and drawbacks of using the approaches available today including XQuery and SQL/XML.
XML Parser
An XML Parser is a parser that is designed to read XML and create a way for programs to use XML. Learn about Stylus Studio's comprehensive support for all of the world's leading XML Parsers.