Query Processing in Distributed ORION


In this paper we describe query processing strategies we have developed and implemented in the distributed version of the ORION object-oriented database system, The ORION query model is based on the ORION object-oriented data model, Further, we have adopted the response time as the primary objective function for query optimization. The query-processing strategies we have developed reflect our solutions to these requirements. In particular, our strategies are based on a dataflow execution model which represents a plan for executing a query concurrently at multiple sites. One important observation we bring out in our description of the ORION query-processing strategies is that most of the important techniques developed for optimizing and processing a relational query apply directly to an object-oriented query, despite the differences in the underlying data models.

DOI: 10.1007/BFb0022170

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@inproceedings{Jenq1990QueryPI, title={Query Processing in Distributed ORION}, author={B. Paul Jenq and Darrell Woelk and Won Kim and Wan-Lik Lee}, booktitle={EDBT}, year={1990} }