649 search results - page 6 / 130 » Improved and Optimized Partitioning Techniques in Database Q... |
PVLDB
2010
14 years 8 months ago
2010
Optimization of join queries based on average selectivities is suboptimal in highly correlated databases. In such databases, relations are naturally divided into partitions, each ...
EDBT
2010
ACM
15 years 2 months ago
2010
ACM
Most modern RDBMS depend on the query processing optimizer’s cost model to choose the best execution plan for a given query. Since the physical IO (PIO) is a costly operation to...
104
Voted
PVM
2001
Springer
15 years 1 months ago
2001
Springer
Query processing in database systems may be improved by applying parallel processing techniques. One reason for improving query response time is to support the increased number que...
SPIRE
2001
Springer
15 years 1 months ago
2001
Springer
In this paper, we study query processing in a distributed text database. The novelty is a real distributed architecture implementation that offers concurrent query service. The di...
DAWAK
2000
Springer
15 years 1 months ago
2000
Springer
In this paper, we propose a new technique for multidimensional query processing which can be widely applied in database systems. Our new technique, called tree striping, generalize...