The XML Model vs. the Relational Model

A relational database contains tables An XML database contains collections
A relational table contains records with the same schema A collection contains XML documents with the same DTD
A relational record is an unordered list of named values An XML document is a tree of nodes
A SQL query returns an unordered set of records An XQuery returns an ordered node set

Previous | Next | Top | Cafe con Leche

Copyright 2000, 2001 Elliotte Rusty Harold
elharo@metalab.unc.edu
Last Modified March 8, 2001