Approaches and Schemes for Storing DTD-Independent XML Data in Relational Databases

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Executive Summary

The volume of XML data exchange is explosively increasing, and the need for efficient mechanisms of XML data management is vital. Many XML storage models have been proposed for storing XML DTD-independent documents in relational database systems. Benchmarking is the best way to highlight pros and cons of different approaches. This paper uses a common benchmarking scheme, known as XMark to compare the most cited and newly proposed DTD-independent methods in terms of logical reads, physical I/O, CPU time and duration. This paper shows the effect of Label Path, extracting values and storing in another table and type of join needed for each method's query answering.

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