Relational to XML schema conversion with constraints

Authors:
Teng Lv;Ping Yan;Qiongxiang Huang
Affiliations:
College of Mathematics and System Science, Xinjiang University, Urumqi and Teaching and Research Section of Computer, Artillery Academy, Hefei, China;College of Mathematics and System Science, Xinjiang University, Urumqi, China;College of Mathematics and System Science, Xinjiang University, Urumqi, China
Venue:
ASIAN'05 Proceedings of the 10th Asian Computing Science conference on Advances in computer science: data management on the web
Year:
2005

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Abstract

This paper studies the problem of schema conversion from relational schemas to XML DTDs. As functional dependencies play an important role in the schema conversion process, the concept of functional dependency for XML DTDs is proposed and used to preserve the semantics implied by functional dependencies and keys of relational schemas. A conversion method is proposed to convert relational schemas to XML DTDs in the presence of functional dependencies, keys and foreign keys. The methods presented here can preserve the semantics implied by functional dependencies, keys and foreign keys of relational schemas and can convert multiple relational tables to XML DTDs at the same time.