1500 search results - page 66 / 300 » Query Optimization in Database Grid |
PODS
2010
ACM
14 years 2 months ago
2010
ACM
Differential privacy is a robust privacy standard that has been successfully applied to a range of data analysis tasks. But despite much recent work, optimal strategies for answe...
CIKM
2005
Springer
14 years 2 months ago
2005
Springer
Modern query optimizers select an efficient join ordering for a physical execution plan based essentially on the average join selectivity factors among the referenced tables. In ...
VLDB
2007
ACM
14 years 3 months ago
2007
ACM
Testing a database engine has been and continues to be a challenging task. The space of possible SQL queries along with their possible access paths is practically unbounded. Moreo...
DEXAW
1999
IEEE
14 years 1 months ago
1999
IEEE
This paper describes an algebra for use with parallel object databases, and in particular ODMG compliant databases with OQL. Although there have been many proposals for parallel r...
SSDBM
2009
IEEE
14 years 3 months ago
2009
IEEE
We present a novel sensor network query processing architecture that (a) covers all the query optimization phases that are required to map a declarative query to executable code; ...