Data Management

LIVE: A Lineage-Supported Versioned DBMS

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Executive Summary

This paper presents LIVE, a complete DBMS designed for applications with many stored derived relations, and with a need for simple versioning capabilities when base data is modified. Target applications include, for example, scientific data management and data integration. A key feature of LIVE is the use of lineage (Provenance) to support modifications and versioning in this environment. In the system, lineage significantly facilitates both: efficient propagation of modifications from base to derived data; and efficient execution of a wide class of queries over versioned, derived data. LIVE is fully implemented; detailed experimental results are presented that validate the techniques.

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