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Choosing the Right Storage for Your XML Application

This paper discusses the selection of appropriate storage solutions for XML applications, focusing on the ULoad prototype. It covers the management of XML materialized views in XQuery, including view creation, data extraction, and query answering. The authors present a formalism for complex XML materialized views (XAMs) and examine methods for loading, querying, and ensuring query satisfiability. This work provides guidance on writing queries and testing coverage based on stored XAMs. For more details, visit http://www-rocq.inria.fr/gemo/XAM.

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Choosing the Right Storage for Your XML Application

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  1. ULoad: choosing the right storage for your XML application Date Andrei Arion INRIA Futurs and Univ. Paris XI, France Veronique Benzaken Univ. Paris XI, France Ioana Manolescu INRIA Futurs, France Ravi Vijay IIT Bombay, India

  2. ULoad prototype demonstration • XML materialized view management for XQuery: • Materialized view creation • Data extraction & loading in native/relational repository • Query answering over the materialized views • Materialized view extraction from XQuery queries • Guidance in choosing views and writing queries: satisfiability / answerability tests • Constraint-based query answering

  3. Formalism for describing complex XML materialized views: XAMs

  4. Loading XAMsin a store

  5. Querying a database of XAMs query-derived XAMs

  6. Logical query plans over XAMs

  7. Testing query satisfiability

  8. Testing query coverage by the stored XAMs

  9. Behind the scene: structural constraints

  10. Also behind the scene

  11. More information • http://www-rocq.inria.fr/gemo/XAM • A.Arion, V.Benzaken and I. Manolescu. "XML Access Modules: Towards Physical Data Independence in XML Databases", XIME-P 2005 • Tech. report upcoming

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