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Query optimization

Known as: Cost-based query optimizer, Query optimisation, Query optimizer 
Query optimization is a function of many relational database management systems. The query optimizer attempts to determine the most efficient way to… Expand
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Papers overview

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Highly Cited
2010
Highly Cited
2010
We study fundamental aspects related to the efficient processing of the SPARQL query language for RDF, proposed by the W3C to… Expand
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Highly Cited
2010
Highly Cited
2010
The dramatic proliferation of sophisticated networks has resulted in a growing need for supporting effective querying and mining… Expand
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Highly Cited
2005
Highly Cited
2005
We discuss the design of an acquisitional query processor for data collection in sensor networks. Acquisitional issues are those… Expand
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Highly Cited
2005
Highly Cited
2005
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of… Expand
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Highly Cited
2003
Highly Cited
2003
We discuss the design of an acquisitional query processor for data collection in sensor networks. Acquisitional issues are those… Expand
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Highly Cited
2000
Highly Cited
2000
In large federated and shared-nothing databases, resources can exhibit widely fluctuating characteristics. Assumptions made at… Expand
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Highly Cited
2000
Highly Cited
2000
Complex queries are becoming commonplace, with the growing use of decision support systems. These complex queries often have a… Expand
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Highly Cited
1998
Highly Cited
1998
For a number of reasons, even the best query optimizers can very often produce sub-optimal query execution plans, leading to a… Expand
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Highly Cited
1988
Highly Cited
1988
Some recently proposed extensions to relational database systems, as well as to deductive database systems, require support for… Expand
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Highly Cited
1984
Highly Cited
1984
Efficient methods of processing unanticipated queries are a crucial prerequisite for the success of generalized database… Expand
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