Zusammenfassung
Cost-based optimizers in relational databases make use of data statistics to estimate intermediate result cardinalities. Those cardinalities are needed to estimate access plan costs in order to choose the cheapest plan for executing a query. Since statist
Heimel, M., Markl, V. & Murthy, K.,
(2009).
A Bayesian approach to estimating the selectivity of conjunctive predicates.
In:
Freytag, J.-C., Ruf, T., Lehner, W. & Vossen, G.
(Hrsg.),
Datenbanksysteme in Business, Technologie und Web (BTW) – 13. Fachtagung des GI-Fachbereichs "Datenbanken und Informationssysteme" (DBIS).
Bonn:
Gesellschaft für Informatik e.V..
(S. 47-56).
@inproceedings{mci/Heimel2009,
author = {Heimel, Max AND Markl, Volker AND Murthy, Keshava},
title = {A Bayesian approach to estimating the selectivity of conjunctive predicates},
booktitle = {Datenbanksysteme in Business, Technologie und Web (BTW) – 13. Fachtagung des GI-Fachbereichs "Datenbanken und Informationssysteme" (DBIS)},
year = {2009},
editor = {Freytag, Johann-Christoph AND Ruf, Thomas AND Lehner, Wolfgang AND Vossen, Gottfried}
,
pages = {
47-56
},
publisher = {Gesellschaft für Informatik e.V.},
address = {Bonn}
}
(en)