RE: [xml-dev] NVDL: A Disruptive Technology

• From: "Michael Kay" <mike@...>
• To: "'Len Bullard'" <len.bullard@...>,"'Jonathan Robie'" <jonathan.robie@...>
• Date: Mon, 12 May 2008 17:39:56 +0100

> This isn't even hard.  XML is a metalanguage.

An XML schema defines rules for a class of XML documents.

A relational schema (create table, create type, etc) defines rules for a
class of SQL databases.

Where exactly do you see the difference?

Michael Kay
http://www.saxonica.com/