32 search results - page 4 / 7 » Improved Query Plans for Unnesting Nested SQL Queries |
ICDE
2009
IEEE
14 years 25 days ago
2009
IEEE
— A paramount challenge in probabilistic databases is the scalable computation of confidences of tuples in query results. This paper introduces an efficient secondary-storage o...
ICDE
2010
IEEE
14 years 5 months ago
2010
IEEE
With the total energy consumption of computing systems increasing in a steep rate, much attention has been paid to the design of energy-efficient computing systems and applications...
SIGMOD
2004
ACM
14 years 6 months ago
2004
ACM
Despite the widespread and growing use of asynchronous copies to improve scalability, performance and availability, this practice still lacks a firm semantic foundation. Applicati...
ICDE
2008
IEEE
14 years 7 months ago
2008
IEEE
In many modern data management settings, data is queried from a central node or nodes, but is stored at remote sources. In such a setting it is common to perform "pushstyle&qu...
ICDE
2007
IEEE
14 years 7 months ago
2007
IEEE
Algorithms that exploit sort orders are widely used to implement joins, grouping, duplicate elimination and other set operations. Query optimizers traditionally deal with sort ord...