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» End-biased Samples for Join Cardinality Estimation
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ICDE
2006
IEEE
142views Database» more  ICDE 2006»
14 years 6 months ago
End-biased Samples for Join Cardinality Estimation
We present a new technique for using samples to estimate join cardinalities. This technique, which we term "end-biased samples," is inspired by recent work in network tr...
Cristian Estan, Jeffrey F. Naughton
ICDE
2009
IEEE
143views Database» more  ICDE 2009»
14 years 6 months ago
Join Reordering by Join Simulation
We introduce a framework for reordering join pipelines at runtime in a database system. This framework incorporates novel techniques for simulating the execution of a join pipeline...
Chaitanya Mishra, Nick Koudas
ICDE
2010
IEEE
211views Database» more  ICDE 2010»
13 years 11 months ago
ROX: The robustness of a run-time XQuery optimizer against correlated data
— We demonstrate ROX, a run-time optimizer of XQueries, that focuses on finding the best execution order of XPath steps and relational joins in an XQuery. The problem of join or...
Riham Abdel Kader, Peter A. Boncz, Stefan Manegold...