Axiomatization of the Evolution of XML Database Schema

Authors:
S. V. Coox
Affiliations:
Department of Mathematics and Mechanics, St. Petersburg State University, Universitetskaya nab. 7/9, St. Petersburg, 199034 Russia qx@acuid.com
Venue:
Programming and Computing Software
Year:
2003

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Abstract

Database schema consists of constructs that model relationships between its entities. Changes made to the schema with time are called the schema evolution. An axiomatic model of the XML database schema is suggested that automatically maintains its integrity when basic changes are made to the schema. A classification of changes is described.