XMLszabály
XMLszabály, or XML Schema, is a language used to define the structure, content, and semantics of XML documents. It provides a way to specify the elements, attributes, and data types that can appear in an XML document, as well as the relationships between them. XML Schema is defined by the World Wide Web Consortium (W3C) and is based on XML syntax.
The primary purpose of XML Schema is to validate XML documents, ensuring that they conform to a
XML Schema defines a set of rules for an XML document, including:
- The elements that can appear in the document
- The attributes that can be associated with each element
- The data types of the elements and attributes
- The order in which elements can appear
- The number of times an element can appear (e.g., once, zero or more, one or more)
XML Schema can be used to define complex data structures, including nested elements and attributes, as well
XML Schema is typically defined in a separate file, which can be referenced by an XML document.
In summary, XML Schema is a powerful tool for defining and validating the structure and content of