Refresher/XML/XML Schema


XML Schema    
 Processing instruction -- Syntax <?PITarget PIContent?> -- Example <?xml version="1.0" encoding="UTF-8" ?>
 XML Schema: description of a type of XML document and is one of several XML schema languages
 Schema is an abstract collection of metadata, consisting of a set of schema components
 Schema components: element and attribute declarations and complex and simple type definitions
 Schema documents: the source language definitions of schema components